APA (7e ed.) Bronvermelding

Não informado. (2021). Illinois Bulletin. University of Illinois at Urbana-Champaign, Agricultural Experiment Station.

Chicago (17e ed.) Bronvermelding

Não informado. Illinois Bulletin. Urbana, Ill: University of Illinois at Urbana-Champaign, Agricultural Experiment Station, 2021.

MLA (8e ed.) Bronvermelding

Não informado. Illinois Bulletin. University of Illinois at Urbana-Champaign, Agricultural Experiment Station, 2021.

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