APA引文

Guess,George M. (1987). The politics of United States foreign aid. Croom Helm.

Chicago Edition Citation

Guess,George M. The Politics of United States Foreign Aid. London: Croom Helm, 1987.

MLA引文

Guess,George M. The Politics of United States Foreign Aid. Croom Helm, 1987.

警告：這些引文格式不一定是100％准確.