Cita APA (7th ed.)
ebrary, Inc, Levitt, K. L., & Wharf, B. (1985). The challenge of child welfare. University of British Columbia Press.
Cita Chicago (17th ed.)
ebrary, Inc, Kenneth L. Levitt, i Brian Wharf. The Challenge of Child Welfare. Vancouver: University of British Columbia Press, 1985.
Cita MLA (9th ed.)
ebrary, Inc, et al. The Challenge of Child Welfare. University of British Columbia Press, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.