Garver, S. (1927). Forage crops and their culture in northern Nebraska and the Dakotas. U.S. Dept. of Agriculture.
Chicago-Zitierstil (17. Ausg.)Garver, Samuel. Forage Crops and Their Culture in Northern Nebraska and the Dakotas. Washington, D.C: U.S. Dept. of Agriculture, 1927.
MLA-Zitierstil (9. Ausg.)Garver, Samuel. Forage Crops and Their Culture in Northern Nebraska and the Dakotas. U.S. Dept. of Agriculture, 1927.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.