Cramer, G. L., & Jensen, C. W. (1988). Agricultural economics and agribusiness (4th ed.). Wiley.
Lua i Stíl Chicago (17ú heag.)Cramer, Gail L., agus Clarence W. Jensen. Agricultural Economics and Agribusiness. 4th ed. New York: Wiley, 1988.
Lua MLA (8ú heag.)Cramer, Gail L., agus Clarence W. Jensen. Agricultural Economics and Agribusiness. 4th ed. Wiley, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.