APA (7e ed.) Bronvermelding

Não informado. (2000). Technical bulletin. Oklahoma Agricultural Experiment Station.

Chicago (17e ed.) Bronvermelding

Não informado. Technical Bulletin. Stillwater, Okla: Oklahoma Agricultural Experiment Station, 2000.

MLA (8e ed.) Bronvermelding

Não informado. Technical Bulletin. Oklahoma Agricultural Experiment Station, 2000.

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