APA aipamena

Penson, J. B., Capps, O., Rosson, C. P., & Woodward, R. T. (2015). Introduction to agricultural economics (Sixth edition, Global edition.). Pearson Education.

Chicago Style aipamena

Penson, John B., Oral Capps, C. Parr Rosson, and Richard T. Woodward. Introduction to Agricultural Economics. Sixth edition, Global edition. Harlow, Essex, England: Pearson Education, 2015.

MLA aipamena

Penson, John B., et al. Introduction to Agricultural Economics. Sixth edition, Global edition. Pearson Education, 2015.