Excel 2002 Power Programming with VBA
John Wiley & Sons, July, 2001.

VBA for Modelers: Developing Decision Support Systems Using Microsoft« Excel
Duxbury Press, 12 December, 2000.

Microsoft® Excel 2000 Power Programming with VBA
John Wiley & Sons, May, 1999.

Developing Solutions With Office 2000 Components and Vba (Prentice Hall Ptr Microsoft Technologies Series)
Pearson Education POD, 12 May, 2000.

Access 2002 VBA Handbook
Sybex, 03 October, 2001.

Microsoft Excel 2002 Visual Basic for Applications Step by Step
Microsoft Press, 12 September, 2001.

VB and VBA in a Nutshell: The Languages
O'Reilly & Associates, November, 1998.

Excel 2002 VBA Programmers Reference
Wrox Press Inc, 15 November, 2001.

VBA Developer's Handbook, 2nd Edition
Sybex, 25 April, 2001.