Shelly, G. B., Cashman, T. J., Repede, J. F., & Mick, M. L. (1999). Microsoft Visual Basic 6.0: Complete concepts and techniques. Thomson Learning.
Dyfyniad Arddull ChicagoShelly, Gary B., Thomas J. Cashman, John F. Repede, and Michael L. Mick. Microsoft Visual Basic 6.0: Complete Concepts and Techniques. Singapore: Thomson Learning, 1999.
Dyfyniad MLAShelly, Gary B., et al. Microsoft Visual Basic 6.0: Complete Concepts and Techniques. Thomson Learning, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.