Nortman, D. L., & Fisher, J. (1985). Population and family planning programs: A compendium of data through 1983 (12th ed.). The Population Council.
Lua i Stíl Chicago (17ú heag.)Nortman, Dorothy L., agus Joanne Fisher. Population and Family Planning Programs: A Compendium of Data Through 1983. 12th ed. New York: The Population Council, 1985.
Lua MLA (9ú heag.)Nortman, Dorothy L., agus Joanne Fisher. Population and Family Planning Programs: A Compendium of Data Through 1983. 12th ed. The Population Council, 1985.
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