Dyfyniad APA

Hill, B. (1980). Introduction to economics for students of agriculture. Pergamon Press.

Dyfyniad Arddull Chicago

Hill, Berkeley. Introduction to Economics for Students of Agriculture. Oxford ; New York: Pergamon Press, 1980.

Dyfyniad MLA

Hill, Berkeley. Introduction to Economics for Students of Agriculture. Pergamon Press, 1980.

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