APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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