APA引文

United Nations. Department of Economic and Social Affairs. (1970). Methods of measuring internal migration. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Department of Economic and Social Affairs. Methods of Measuring Internal Migration. New York: United Nations, 1970.

MLA引文

United Nations. Department of Economic and Social Affairs. Methods of Measuring Internal Migration. United Nations, 1970.

警告：這些引文格式不一定是100％准確.