Nortman, D. L., & Fisher, J. (1985). Population and family planning programs: A compendium of data through 1983 (12th ed.). The Population Council.
Παραπομπή σε μορφή Chicago (17η εκδ.)Nortman, Dorothy L., και Joanne Fisher. Population and Family Planning Programs: A Compendium of Data Through 1983. 12th ed. New York: The Population Council, 1985.
Παραπομπή σε μορφή MLA (9th εκδ.)Nortman, Dorothy L., και Joanne Fisher. Population and Family Planning Programs: A Compendium of Data Through 1983. 12th ed. The Population Council, 1985.
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