APA (7e ed.) Bronvermelding

Não informado. (1975). Agricultural Libraries Information Notes. Technical Information Systems, National Agricultural Library.

Chicago (17e ed.) Bronvermelding

Não informado. Agricultural Libraries Information Notes. Beltsville, Md: Technical Information Systems, National Agricultural Library, 1975.

MLA (8e ed.) Bronvermelding

Não informado. Agricultural Libraries Information Notes. Technical Information Systems, National Agricultural Library, 1975.

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