Gaya APA
Corey, Gerald. (2004).
Theory and practice of group counseling (6th ed.).
Singapore:
Thomson.
Gaya Chicago
Corey, Gerald.
Theory and practice of group counseling.
6th ed.
Singapore:
Thomson,
2004.
Text.
Gaya MLA
Corey, Gerald.
Theory and practice of group counseling.
6th ed.
Singapore:
Thomson,
2004.
Text.
Gaya Turabian
Corey, Gerald.
Theory and practice of group counseling.
6th ed.
Singapore:
Thomson,
2004.
Print.