APA (7e ed.) Bronvermelding

Não informado. (1957). Business Horizons. Indiana University, School of Business.

Chicago (17e ed.) Bronvermelding

Não informado. Business Horizons. Bloomington, Ind: Indiana University, School of Business, 1957.

MLA (8e ed.) Bronvermelding

Não informado. Business Horizons. Indiana University, School of Business, 1957.

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