APA (7 वां संस्करण) प्रशस्ति पत्र

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

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

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

एमएलए (9वां संस्करण) प्रशस्ति पत्र

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