Brill, N. I. (1978). Working with people: The helping process. Philadelphia: Lippincott.
Chicago Style citaatBrill, Naomi I. Working With People: The Helping Process. Philadelphia: Lippincott, 1978.
MLA citatieBrill, Naomi I. Working With People: The Helping Process. Philadelphia: Lippincott, 1978.
Let op: Deze citaties zijn niet altijd 100% accuraat.