Não informado. (2000). Ziff Davis Smart Business for the New Economy. Ziff Davis Media.
Style de citation Chicago (17e éd.)Não informado. Ziff Davis Smart Business for the New Economy. New York: Ziff Davis Media, 2000.
Style de citation MLA (8e éd.)Não informado. Ziff Davis Smart Business for the New Economy. Ziff Davis Media, 2000.
Attention : ces citations peuvent ne pas être correctes à 100%.