APA (7e ed.) Bronvermelding

Não informado. (1965). Business Economics. National Association of Business Economists.

Chicago (17e ed.) Bronvermelding

Não informado. Business Economics. Cleveland, Ohio: National Association of Business Economists, 1965.

MLA (8e ed.) Bronvermelding

Não informado. Business Economics. National Association of Business Economists, 1965.

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