APA (7e ed.) Bronvermelding

Não informado. (1991). Business & the contemporary world. Walter de Gruyter.

Chicago (17e ed.) Bronvermelding

Não informado. Business & the Contemporary World. Hawthorne, NY: Walter de Gruyter, 1991.

MLA (8e ed.) Bronvermelding

Não informado. Business & the Contemporary World. Walter de Gruyter, 1991.

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