Iowa State University. Cooperative Extension Service. Dairy Husbandry and Dairy Products Extension Service publications and records.
Chicago-Zitierstil (17. Ausg.)Iowa State University. Cooperative Extension Service. Dairy Husbandry and Dairy Products Extension Service Publications and Records.
MLA-Zitierstil (8. Ausg.)Iowa State University. Cooperative Extension Service. Dairy Husbandry and Dairy Products Extension Service Publications and Records.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.