APA (7e ed.) Bronvermelding

Não informado. (2004). Iowa State journal of science. Iowa State University.

Chicago (17e ed.) Bronvermelding

Não informado. Iowa State Journal of Science. Ames, Iowa: Iowa State University, 2004.

MLA (8e ed.) Bronvermelding

Não informado. Iowa State Journal of Science. Iowa State University, 2004.

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