APA (7e ed.) Bronvermelding

Não informado. (1938). Bimonthly Bulletin of the North Dakota Agricultural Experiment Station. North Dakota Agricultural Experiment Station.

Chicago (17e ed.) Bronvermelding

Não informado. Bimonthly Bulletin of the North Dakota Agricultural Experiment Station. Fargo, ND: North Dakota Agricultural Experiment Station, 1938.

MLA (8e ed.) Bronvermelding

Não informado. Bimonthly Bulletin of the North Dakota Agricultural Experiment Station. North Dakota Agricultural Experiment Station, 1938.

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