Kay, R. D., Edwards, W. M., & Duffy, P. A. (2020). Farm management (Ninth edition.). McGraw-Hill Higher Education.
Čikaški stil citiranja (17. izdanje)Kay, Ronald D., William M. Edwards, i Patricia Ann Duffy. Farm Management. Ninth edition. New York: McGraw-Hill Higher Education, 2020.
MLA način citiranja (8. izdanje)Kay, Ronald D., et al. Farm Management. Ninth edition. McGraw-Hill Higher Education, 2020.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.