APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.