Gaya APA
Corey, G. (2015).
Theory and Practice of Counseling and Psychotherapy: Tenth Edition (Tenth Edition).
Boston, Massachusetts, USA:
Cengage Learning.
Gaya MLA
Corey, Gerald.
"Theory and Practice of Counseling and Psychotherapy: Tenth Edition".
Tenth Edition
Boston, Massachusetts, USA:
Cengage Learning,
2015.
e-book.