Senior, W. S. (1972). Field beans as a break crop. University of Nottingham, Department of Agriculture and Horticulture.
Chicago-Zitierstil (17. Ausg.)Senior, W. S. Field Beans as a Break Crop. Loughborough: University of Nottingham, Department of Agriculture and Horticulture, 1972.
MLA-Zitierstil (8. Ausg.)Senior, W. S. Field Beans as a Break Crop. University of Nottingham, Department of Agriculture and Horticulture, 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.