Shively, G. E. (1996). Upland corn yields in a contour hedgerow system: A production function approach. SEAMEO Regional Center for Graduate Study and Research in Agriculture.
Chicago-Zitierstil (17. Ausg.)Shively, Gerald E. Upland Corn Yields in a Contour Hedgerow System: A Production Function Approach. Los Baños, Laguna: SEAMEO Regional Center for Graduate Study and Research in Agriculture, 1996.
MLA-Zitierstil (9. Ausg.)Shively, Gerald E. Upland Corn Yields in a Contour Hedgerow System: A Production Function Approach. SEAMEO Regional Center for Graduate Study and Research in Agriculture, 1996.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.