APA引文

United Nations. Dept. of Economic and Social Affairs. International directory of organizations concerned with the aging. United Nations.

Chicago Style (17th ed.) Citation

United Nations. Dept. of Economic and Social Affairs. International Directory of Organizations Concerned with the Aging. New York,: United Nations.

MLA引文

United Nations. Dept. of Economic and Social Affairs. International Directory of Organizations Concerned with the Aging. United Nations.

警告：這些引文格式不一定是100％准確.