APA-referens

Forster, G., & Leager, M. C. Elements of agricultural economic. Prentice hall INC.

Chicago-stil citat

Forster, G.W, och Marc C. Leager. Elements of Agricultural Economic. New York: Prentice hall INC.

MLA-referens

Forster, G.W, och Marc C. Leager. Elements of Agricultural Economic. Prentice hall INC.