APA (7e ed.) Bronvermelding

Não informado. (2000). Ziff Davis Smart Business for the New Economy. Ziff Davis Media.

Chicago (17e ed.) Bronvermelding

Não informado. Ziff Davis Smart Business for the New Economy. New York: Ziff Davis Media, 2000.

MLA (8e ed.) Bronvermelding

Não informado. Ziff Davis Smart Business for the New Economy. Ziff Davis Media, 2000.

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