APA (7e ed.) Bronvermelding

Não informado. (2018). National Agricultural Library Catalog. Rowman and Littlefield.

Chicago (17e ed.) Bronvermelding

Não informado. National Agricultural Library Catalog. Totowa, NJ: Rowman and Littlefield, 2018.

MLA (8e ed.) Bronvermelding

Não informado. National Agricultural Library Catalog. Rowman and Littlefield, 2018.

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