APA引文

Hillman,Jimmye S. (1978). Nontariff agricultural trade barriers. University of Nebraska Press.

Chicago Edition Citation

Hillman,Jimmye S. Nontariff Agricultural Trade Barriers. London: University of Nebraska Press, 1978.

MLA引文

Hillman,Jimmye S. Nontariff Agricultural Trade Barriers. University of Nebraska Press, 1978.

警告：這些引文格式不一定是100％准確.