APA (7e ed.) Bronvermelding

Iowa State University. Cooperative Extension Service. Dairy Husbandry and Dairy Products Extension Service publications and records.

Chicago (17e ed.) Bronvermelding

Iowa State University. Cooperative Extension Service. Dairy Husbandry and Dairy Products Extension Service Publications and Records.

MLA (8e ed.) Bronvermelding

Iowa State University. Cooperative Extension Service. Dairy Husbandry and Dairy Products Extension Service Publications and Records.

Let op: Deze citaties zijn niet altijd 100% accuraat.