Lua APA (7ú heag.)
ebrary, Inc, Levitt, K. L., & Wharf, B. (1985). The challenge of child welfare. University of British Columbia Press.
Lua i Stíl Chicago (17ú heag.)
ebrary, Inc, Kenneth L. Levitt, agus Brian Wharf. The Challenge of Child Welfare. Vancouver: University of British Columbia Press, 1985.
Lua MLA (9ú heag.)
ebrary, Inc, et al. The Challenge of Child Welfare. University of British Columbia Press, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.