Παραπομπή APA

Forster, G., & Leager, M. C. (1950). Elements of agricultural economics. Prentice -Hall Inc.

Παραπομπή Chicago Style

Forster, G.W, και Marc C. Leager. Elements of Agricultural Economics. New York: Prentice -Hall Inc, 1950.

Παραπομπή MLA

Forster, G.W, και Marc C. Leager. Elements of Agricultural Economics. Prentice -Hall Inc, 1950.