United States. National Institute of Child Health and Human Development. Scientific Information Centers Branch. (1967). Population research.
Cita Chicago Style (17a ed.)United States. National Institute of Child Health and Human Development. Scientific Information Centers Branch. Population Research. U. S. Department of Health, Education, and Welfare, 1967.
Cita MLA (9a ed.)United States. National Institute of Child Health and Human Development. Scientific Information Centers Branch. Population Research. 1967.
Precaución: Estas citas no son 100% exactas.