Penson, J. B. J., Capps, O. J., & Rosson, C. P. I. (1996). Introduction to agricultural economics. Prentice Hall, Inc.
Cita Chicago (17th ed.)Penson, John B. Jr, Oral Jr Capps, i C. Parr III Rosson. Introduction to Agricultural Economics. Upper Saddle River, New Jersey: Prentice Hall, Inc, 1996.
Cita MLA (9th ed.)Penson, John B. Jr, et al. Introduction to Agricultural Economics. Prentice Hall, Inc, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.