APA (7th ed.) Citation

Zak. (2001). Programming with Microsoft Visual Basic 6.0 (Enhanced ed.). Course Technology.

Chicago Style (17th ed.) Citation

Zak. Programming with Microsoft Visual Basic 6.0. Enhanced ed. Australia: Course Technology, 2001.

MLA (8th ed.) Citation

Zak. Programming with Microsoft Visual Basic 6.0. Enhanced ed. Course Technology, 2001.

Warning: These citations may not always be 100% accurate.