APA (7e ed.) Bronvermelding

Não informado. Studies in economics and business. University of Minnesota.

Chicago (17e ed.) Bronvermelding

Não informado. Studies in Economics and Business. Minneapolis, Minn: University of Minnesota.

MLA (8e ed.) Bronvermelding

Não informado. Studies in Economics and Business. University of Minnesota.

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