APA (7e ed.) Bronvermelding

Carkhuff, R. R. (1969). Helping and human relations: A primer for lay and professional helpers. Holt, Rinehart and Winston.

Chicago (17e ed.) Bronvermelding

Carkhuff, Robert R. Helping and Human Relations: A Primer for Lay and Professional Helpers. New York: Holt, Rinehart and Winston, 1969.

MLA (8e ed.) Bronvermelding

Carkhuff, Robert R. Helping and Human Relations: A Primer for Lay and Professional Helpers. Holt, Rinehart and Winston, 1969.