Gaya APA
Crabb, L, J, J. (1976).
Basic principles of biblical counseling, 2nd pr. Cet.pertama (1975). .
Grand Rapids:
Zondervan.
Gaya MLA
Crabb, Lawrence, J.,, Jr..
"Basic principles of biblical counseling, 2nd pr. Cet.pertama (1975). ".
Grand Rapids:
Zondervan,
1976.
Buku.