Cita APA (7th ed.)

Zak, D. (2001). Programming with Microsoft Visual Basic 6.0 (enhanced ed.). Course Technology Publishers.

Cita Chicago (17th ed.)

Zak, Diane. Programming with Microsoft Visual Basic 6.0. enhanced ed. Australia: Course Technology Publishers, 2001.

Cita MLA (9th ed.)

Zak, Diane. Programming with Microsoft Visual Basic 6.0. enhanced ed. Course Technology Publishers, 2001.