Bauer, F. C. (1932). Crop yields from Illinois soil experiment fields in 1931: Together with a general summary for the rotation periods ending in 1931. Univ. of Ill.
Chicago-Zitierstil (17. Ausg.)Bauer, Frederick C. Crop Yields from Illinois Soil Experiment Fields in 1931: Together with a General Summary for the Rotation Periods Ending in 1931. Urbana, Ill: Univ. of Ill, 1932.
MLA-Zitierstil (9. Ausg.)Bauer, Frederick C. Crop Yields from Illinois Soil Experiment Fields in 1931: Together with a General Summary for the Rotation Periods Ending in 1931. Univ. of Ill, 1932.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.