Nortman, D. L., & Fisher, J. (1985). Population and family planning programs: A compendium of data through 1983 (12th ed.). The Population Council.
Cita Chicago (17th ed.)Nortman, Dorothy L., i Joanne Fisher. Population and Family Planning Programs: A Compendium of Data Through 1983. 12th ed. New York: The Population Council, 1985.
Cita MLA (9th ed.)Nortman, Dorothy L., i Joanne Fisher. Population and Family Planning Programs: A Compendium of Data Through 1983. 12th ed. The Population Council, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.