APA (7e ed.) Bronvermelding

Não informado. (1916). Cornell extension bulletin. Cornell University, Extension Service.

Chicago (17e ed.) Bronvermelding

Não informado. Cornell Extension Bulletin. Ithaca, NY: Cornell University, Extension Service, 1916.

MLA (8e ed.) Bronvermelding

Não informado. Cornell Extension Bulletin. Cornell University, Extension Service, 1916.

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