Não informado. (1952). Nebraska Experiment Station Quarterly. Nebraska Agricultural Experiment Station.
Chicago-Zitierstil (17. Ausg.)Não informado. Nebraska Experiment Station Quarterly. Lincoln, Neb: Nebraska Agricultural Experiment Station, 1952.
MLA-Zitierstil (8. Ausg.)Não informado. Nebraska Experiment Station Quarterly. Nebraska Agricultural Experiment Station, 1952.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.