Gaya APA

Gottfried, B, S. (2003). SPREADSHEET TOOLS FOR ENGINEERS USING EXCEL : INCLUDING EXCEL 2002 . New York :: MCGRAW HILL,.

Gaya MLA

Gottfried, Byron, S.. "SPREADSHEET TOOLS FOR ENGINEERS USING EXCEL : INCLUDING EXCEL 2002". New York :: MCGRAW HILL,, 2003. Monograf.