Mark 3:14

and he appointed twelve, that they may be with him, and that he may send them forth to preach,

Luke 9:1-6

And having called together his twelve disciples, he gave them power and authority over all the demons, and to cure sicknesses,

Luke 10:1-11

And after these things, the Lord did appoint also other seventy, and sent them by twos before his face, to every city and place whither he himself was about to come,

Luke 24:47

and reformation and remission of sins to be proclaimed in his name to all the nations, beginning from Jerusalem:

John 15:16

'Ye did not choose out me, but I chose out you, and did appoint you, that ye might go away, and might bear fruit, and your fruit might remain, that whatever ye may ask of the Father in my name, He may give you.

Acts 1:8

but ye shall receive power at the coming of the Holy Spirit upon you, and ye shall be witnesses to me both in Jerusalem, and in all Judea, and Samaria, and unto the end of the earth.'

Acts 1:24-25

and having prayed, they said, 'Thou, Lord, who art knowing the heart of all, shew which one thou didst choose of these two

Galatians 1:1

Paul, an apostle -- not from men, nor through man, but through Jesus Christ, and God the Father, who did raise him out of the dead --

Galatians 1:15-20

and when God was well pleased -- having separated me from the womb of my mother, and having called me through His grace --

Treasury of Scripture Knowledge

Summary

And he ordained twelve, that they should be with him, and that he might send them forth to preach,

Bible References

He ordained

John 15:16
'Ye did not choose out me, but I chose out you, and did appoint you, that ye might go away, and might bear fruit, and your fruit might remain, that whatever ye may ask of the Father in my name, He may give you.
Acts 1:24
and having prayed, they said, 'Thou, Lord, who art knowing the heart of all, shew which one thou didst choose of these two
Galatians 1:1
Paul, an apostle -- not from men, nor through man, but through Jesus Christ, and God the Father, who did raise him out of the dead --

And

Luke 9:1
And having called together his twelve disciples, he gave them power and authority over all the demons, and to cure sicknesses,
Luke 10:1
And after these things, the Lord did appoint also other seventy, and sent them by twos before his face, to every city and place whither he himself was about to come,
Luke 24:47
and reformation and remission of sins to be proclaimed in his name to all the nations, beginning from Jerusalem:
Acts 1:8
but ye shall receive power at the coming of the Holy Spirit upon you, and ye shall be witnesses to me both in Jerusalem, and in all Judea, and Samaria, and unto the end of the earth.'