Gaya APA

Seligman, L., W, I, R, L. (2010). Theories of counseling and psychotherapy: systems, strategies, and skills . New Jersey: New Jersey: Person Education, 2010.

Gaya MLA

Seligman, Linda., W, I., Reichenberg,, Lourie. "Theories of counseling and psychotherapy: systems, strategies, and skills". New Jersey: New Jersey: Person Education, 2010, 2010. .