APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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