APA (7e ed.) Bronvermelding

Não informado. (1972). Agricultural engineer. Institution of Agricultural Engineers.

Chicago (17e ed.) Bronvermelding

Não informado. Agricultural Engineer. Bedford, Inglaterra: Institution of Agricultural Engineers, 1972.

MLA (8e ed.) Bronvermelding

Não informado. Agricultural Engineer. Institution of Agricultural Engineers, 1972.

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