Não informado. (1963). Agricultural Science Review. Cooperative State Experiment Station Service, Department of Agriculture.
Chicago-Zitierstil (17. Ausg.)Não informado. Agricultural Science Review. Washington: Cooperative State Experiment Station Service, Department of Agriculture, 1963.
MLA-Zitierstil (8. Ausg.)Não informado. Agricultural Science Review. Cooperative State Experiment Station Service, Department of Agriculture, 1963.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.