(1989). Contraception and reproduction health consequences for women and children in the developing world / Working Group on the Health Consequences of Contraceptive Use and Controlled Fertility, Committee on Population, Commission on Behavioral and Social Sciences and Education, National Research Council. [electronic resource].
Tohutoru Kātū Chicago (17th ed.)Contraception and Reproduction Health Consequences for Women and Children in the Developing World / Working Group on the Health Consequences of Contraceptive Use and Controlled Fertility, Committee on Population, Commission on Behavioral and Social Sciences and Education, National Research Council. [electronic Resource]. 1989.
Tohutoro MLA (9th ed.)Contraception and Reproduction Health Consequences for Women and Children in the Developing World / Working Group on the Health Consequences of Contraceptive Use and Controlled Fertility, Committee on Population, Commission on Behavioral and Social Sciences and Education, National Research Council. [electronic Resource]. 1989.