APA-referens (7:e uppl.)

Corey, M. S., & Corey, G. (2011). Becoming a helper (6th ed.). Brooks/Cole Cengage Learning.

Chicago-referens (17:e uppl.)

Corey, Marianne Schneider, och Gerald Corey. Becoming a Helper. 6th ed. Belmont, Calif: Brooks/Cole Cengage Learning, 2011.

MLA-referens (9:e uppl.)

Corey, Marianne Schneider, och Gerald Corey. Becoming a Helper. 6th ed. Brooks/Cole Cengage Learning, 2011.