Dyfyniad APA

Dummeier, E. F., & Heflebower, R. B. (1950). Economics with applications to agriculture. McGraw-Hill.

Dyfyniad Arddull Chicago

Dummeier, Edwin F, and Richard Brooks Heflebower. Economics with Applications to Agriculture. New York: McGraw-Hill, 1950.

Dyfyniad MLA

Dummeier, Edwin F, and Richard Brooks Heflebower. Economics with Applications to Agriculture. McGraw-Hill, 1950.

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