Dyfyniad APA

Penson, J. B., Capps, O., & Rosson, C. P. (1996). Introduction to agricultural economics. Prentice Hall.

Dyfyniad Arddull Chicago

Penson, John B., Oral Capps, and C. Parr Rosson. Introduction to Agricultural Economics. Upper Saddle River, N.J.: Prentice Hall, 1996.

Dyfyniad MLA

Penson, John B., et al. Introduction to Agricultural Economics. Prentice Hall, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.