APA (7e ed.) Bronvermelding
Marshall, M. (1990). Social work with old people (2nd ed.). Macmillan.
Chicago (17e ed.) Bronvermelding
Marshall, Mary. Social Work with Old People. 2nd ed. London: Macmillan, 1990.
MLA (9e ed.) Bronvermelding
Marshall, Mary. Social Work with Old People. 2nd ed. Macmillan, 1990.
Let op: Deze citaties zijn niet altijd 100% accuraat.