APA-viite (7. p.)

Penson, J. B., Capps, O., & Rosson, C. P. (2002). Introduction to agricultural economics (3rd. ed.). Prentice Hall.

Chicago-viite (17. p.)

Penson, John B., Oral Capps, ja C. Parr Rosson. Introduction to Agricultural Economics. 3rd. ed. New Jersey: Prentice Hall, 2002.

MLA-viite (9. p.)

Penson, John B., et al. Introduction to Agricultural Economics. 3rd. ed. Prentice Hall, 2002.