Dyfyniad APA

Wilcox, W. W. (1974). Economics of American agriculture (3rd ed.). Prentice-Hall of India.

Dyfyniad Arddull Chicago

Wilcox, Walter W. Economics of American Agriculture. 3rd ed. New Jersey: Prentice-Hall of India, 1974.

Dyfyniad MLA

Wilcox, Walter W. Economics of American Agriculture. 3rd ed. Prentice-Hall of India, 1974.

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