Thirty Years of Research in Human Fertility. (1959). Thirty Years of Research in Human Fertility. Milbank Memorial Fund.
استشهاد بنمط شيكاغوThirty Years of Research in Human Fertility. Thirty Years of Research in Human Fertility. Newyork: Milbank Memorial Fund, 1959.
MLA استشهادThirty Years of Research in Human Fertility. Thirty Years of Research in Human Fertility. Milbank Memorial Fund, 1959.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.