Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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