United Nations. Department of Economic and Social Affairs. Population Division. (2003). Partnership and reproductive behaviour in low-fertility countries. United Nations.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)United Nations. Department of Economic and Social Affairs. Population Division. Partnership and Reproductive Behaviour in Low-fertility Countries. New York: United Nations, 2003.
MLA -ийн эшлэл (9 дэх хэвлэлт)United Nations. Department of Economic and Social Affairs. Population Division. Partnership and Reproductive Behaviour in Low-fertility Countries. United Nations, 2003.
Анхааруулга: Эдгээр ишлэлүүд үргэлж 100% үнэн зөв биш байж магадгүй.