Cita APA (7th ed.)

Chen, M., & Rybak, C. J. (2004). Group leadership skills: Interpersonal process in group counseling and therapy. Thomson/Brooks/Cole.

Cita Chicago (17th ed.)

Chen, Mei-whei, i Christopher J. Rybak. Group Leadership Skills: Interpersonal Process in Group Counseling and Therapy. Belmont, Calif: Thomson/Brooks/Cole, 2004.

Cita MLA (9th ed.)

Chen, Mei-whei, i Christopher J. Rybak. Group Leadership Skills: Interpersonal Process in Group Counseling and Therapy. Thomson/Brooks/Cole, 2004.