Dyfyniad APA

Wingo, P. A. (1994). An epidemiologic approach to reproductive health. World Health Organization.

Dyfyniad Arddull Chicago

Wingo, Phyllis A. An Epidemiologic Approach to Reproductive Health. Geneva: World Health Organization, 1994.

Dyfyniad MLA

Wingo, Phyllis A. An Epidemiologic Approach to Reproductive Health. World Health Organization, 1994.

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