Gaya APA

Sommers-Flanagan, J., Sommers-Flanagan, R. (2018). Counseling and Psychotherapy Theories in Context and Practice Skills, Strategies, and Techniques . Amerika: John Wiley & Sons.

Gaya MLA

Sommers-Flanagan, John., Sommers-Flanagan, Rita. "Counseling and Psychotherapy Theories in Context and Practice Skills, Strategies, and Techniques". Amerika: John Wiley & Sons, 2018. Text.