Feyisetan, B. J., & Ainsworth, M. (1994). Contraceptive use and the quality, price and availability of family planning in Nigeria. World Bank.
Citazione stile Chigago Style (17a edizione)Feyisetan, Bamikale J., e Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. Washington, D.C: World Bank, 1994.
Citatione MLA (9a ed.)Feyisetan, Bamikale J., e Martha Ainsworth. Contraceptive Use and the Quality, Price and Availability of Family Planning in Nigeria. World Bank, 1994.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.