APA (7e ed.) Bronvermelding

Não informado. (1959). Illinois research. University of Illinois at Urbana-Champaign, Agricultural Experiment Station.

Chicago (17e ed.) Bronvermelding

Não informado. Illinois Research. Urbana, Ill: University of Illinois at Urbana-Champaign, Agricultural Experiment Station, 1959.

MLA (8e ed.) Bronvermelding

Não informado. Illinois Research. University of Illinois at Urbana-Champaign, Agricultural Experiment Station, 1959.

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