APA (7e ed.) Bronvermelding
ebrary, Inc, Levitt, K. L., & Wharf, B. (1985). The challenge of child welfare. University of British Columbia Press.
Chicago (17e ed.) Bronvermelding
ebrary, Inc, Kenneth L. Levitt, en Brian Wharf. The Challenge of Child Welfare. Vancouver: University of British Columbia Press, 1985.
MLA (9e ed.) Bronvermelding
ebrary, Inc, et al. The Challenge of Child Welfare. University of British Columbia Press, 1985.
Let op: Deze citaties zijn niet altijd 100% accuraat.