(1979). Families today: A research sampler on families and children. U.S. Department of Health, Education, and Welfare.
Cita Chicago Style (17a ed.)Families Today: A Research Sampler on Families and Children. Rockville: U.S. Department of Health, Education, and Welfare, 1979.
Cita MLA (9a ed.)Families Today: A Research Sampler on Families and Children. U.S. Department of Health, Education, and Welfare, 1979.
Precaución: Estas citas no son 100% exactas.