APA-viite (7. p.)

Levitt, K. L., & Wharf, B. (1985). The Challenge of child welfare. University of British Columbia Press.

Chicago-viite (17. p.)

Levitt, Kenneth L., ja Brian Wharf. The Challenge of Child Welfare. Vancouver: University of British Columbia Press, 1985.

MLA-viite (8. p.)

Levitt, Kenneth L., ja Brian Wharf. The Challenge of Child Welfare. University of British Columbia Press, 1985.