APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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