Dummeier, E. F., & Heflebower, R. B. (1950). Economics with applications to agriculture. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Dummeier, Edwin F, agus Richard Brooks Heflebower. Economics with Applications to Agriculture. New York: McGraw-Hill, 1950.
Lua MLA (9ú heag.)Dummeier, Edwin F, agus Richard Brooks Heflebower. Economics with Applications to Agriculture. McGraw-Hill, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.