Norton, P. (2003). Excel 2002: A tutorial to accompany Peter Norton's introduction to computers (4th ed.). Glencoe/McGraw-Hill.
Chicago-Zitierstil (17. Ausg.)Norton, Peter. Excel 2002: A Tutorial to Accompany Peter Norton's Introduction to Computers. 4th ed. Columbus, OH: Glencoe/McGraw-Hill, 2003.
MLA-Zitierstil (8. Ausg.)Norton, Peter. Excel 2002: A Tutorial to Accompany Peter Norton's Introduction to Computers. 4th ed. Glencoe/McGraw-Hill, 2003.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.