Παραπομπή APA

Epp, D. J., & Malone, J. W. (1981). Introduction to Agricultural Economics. Macmillan Company.

Παραπομπή Chicago Style

Epp, D J., και J W. Malone. Introduction to Agricultural Economics. New York: Macmillan Company, 1981.

Παραπομπή MLA

Epp, D J., και J W. Malone. Introduction to Agricultural Economics. Macmillan Company, 1981.