United Nations. Department of Economic and Social Affairs. Population Division. (2003). Partnership and reproductive behaviour in low-fertility countries. United Nations.
Παραπομπή σε μορφή Chicago (17η εκδ.)United Nations. Department of Economic and Social Affairs. Population Division. Partnership and Reproductive Behaviour in Low-fertility Countries. New York: United Nations, 2003.
Παραπομπή σε μορφή MLA (9th εκδ.)United Nations. Department of Economic and Social Affairs. Population Division. Partnership and Reproductive Behaviour in Low-fertility Countries. United Nations, 2003.
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