APA

Reding E. E., Wermers L., . (2004). Microsoft Office Excel 2003. Cambridge, Mass: Course Technology.

Chicago

Reding Elizabeth Eisner, Wermers Lynn, . 2004. Microsoft Office Excel 2003. Cambridge, Mass: Course Technology.

Harvard

Reding E. E., Wermers L., . (2004). Microsoft Office Excel 2003. Cambridge, Mass: Course Technology.

MLA

Reding Elizabeth Eisner, Wermers Lynn, . Microsoft Office Excel 2003. Cambridge, Mass: Course Technology. 2004.