APA (7th ed.) Citation

Koay. (2000). Microsoft learning Visual Basic 6.0: Step by step. Venton Publishing.

Chicago Style (17th ed.) Citation

Koay. Microsoft Learning Visual Basic 6.0: Step by Step. Kuala Lumpur: Venton Publishing, 2000.

MLA (8th ed.) Citation

Koay. Microsoft Learning Visual Basic 6.0: Step by Step. Venton Publishing, 2000.

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