APA-referens

Roy, E. P. (1981). Economics: Applications to agriculture and agribusiness (3rd ed.). Danville, Ill: Interstate Printers & Publishers.

Chicago-stil citat

Roy, Ewell P. Economics: Applications to Agriculture and Agribusiness. 3rd ed. Danville, Ill: Interstate Printers & Publishers, 1981.

MLA-referens

Roy, Ewell P. Economics: Applications to Agriculture and Agribusiness. 3rd ed. Danville, Ill: Interstate Printers & Publishers, 1981.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.