APA引文

United, N. (2004). World investment report 2004: The shift towards services.

Chicago Edition Citation

United, Nations. World Investment Report 2004: The Shift Towards Services. New York, United Nations, 2004.

MLA引文

United, Nations. World Investment Report 2004: The Shift Towards Services. 2004.

警告:这些引文格式不一定是100%准确.