Bruce, J., Lloyd, C. B., & Leonard, A. (1995). Families in focus: New perspectives on mothers, fathers, and children. Population Council.
Lua i Stíl Chicago (17ú heag.)Bruce, Judith, Cynthia B. Lloyd, agus Ann Leonard. Families in Focus: New Perspectives on Mothers, Fathers, and Children. New York: Population Council, 1995.
Lua MLA (8ú heag.)Bruce, Judith, et al. Families in Focus: New Perspectives on Mothers, Fathers, and Children. Population Council, 1995.
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