Hickman, B. D. (1972). Economic incentives: A strategy for family planning programs. General Electric Company - TEMPO, Center for Advanced Studies.
Citace podle Chicago (17th ed.)Hickman, Bryan D. Economic Incentives: A Strategy for Family Planning Programs. Washington: General Electric Company - TEMPO, Center for Advanced Studies, 1972.
Citace podle MLA (9th ed.)Hickman, Bryan D. Economic Incentives: A Strategy for Family Planning Programs. General Electric Company - TEMPO, Center for Advanced Studies, 1972.
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