APA ציטוט

Penson, J. B. (2002). Introduction to agricultural economics. Upper Saddle River, N.J: Prentice Hall.

Trích dẫn kiểu Chicago

Penson, John B. Introduction to Agricultural Economics. Upper Saddle River, N.J: Prentice Hall, 2002.

ציטוט MLA

Penson, John B. Introduction to Agricultural Economics. Upper Saddle River, N.J: Prentice Hall, 2002.