Population Council. Demographic Division, Caldwell, J. C., Choldin, H. M., Noe, L. F., Sills, D. L., & Stephan, F. F. (1970). A manual for surveys of fertility and family planning: Knowledge, attitudes, and practice. The Population Council.
Citación estilo ChicagoPopulation Council. Demographic Division, John C. Caldwell, Harvey M. Choldin, Louisa F. Noe, David L. Sills, and Frederick F. Stephan. A Manual for Surveys of Fertility and Family Planning: Knowledge, Attitudes, and Practice. New York: The Population Council, 1970.
Cita MLAPopulation Council. Demographic Division, et al. A Manual for Surveys of Fertility and Family Planning: Knowledge, Attitudes, and Practice. The Population Council, 1970.
Warning: These citations may not always be 100% accurate.