Nortman, D. (1972). Population and family planning programs: A factbook (4th ed.). Population Council.
Style de citation Chicago (17e éd.)Nortman, Dorothy. Population and Family Planning Programs: A Factbook. 4th ed. New York: Population Council, 1972.
Style de citation MLA (9e éd.)Nortman, Dorothy. Population and Family Planning Programs: A Factbook. 4th ed. Population Council, 1972.
Attention : ces citations peuvent ne pas être correctes à 100%.