Não informado. (2000). Ziff Davis Smart Business for the New Economy. Ziff Davis Media.
Cita Chicago Style (17a ed.)Não informado. Ziff Davis Smart Business for the New Economy. New York: Ziff Davis Media, 2000.
Cita MLA (8a ed.)Não informado. Ziff Davis Smart Business for the New Economy. Ziff Davis Media, 2000.
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