Gaya APA

Walkenbach, J. (2007). (E-BOOK Teknik Mesin) Excel 2007 VBA Programming For Dummies . New York: Wiley Pulishing,Inc.

Gaya MLA

Walkenbach, John. "(E-BOOK Teknik Mesin) Excel 2007 VBA Programming For Dummies". New York: Wiley Pulishing,Inc, 2007. Computer File.