Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.