Cita APA (7th ed.)

Willis, T., & Newsome, B. (2008). Beginning Microsoft Visual basic 2008. Wiley Pub..

Cita Chicago (17th ed.)

Willis, Thearon, i Bryan Newsome. Beginning Microsoft Visual Basic 2008. Indianapolis, IN: Wiley Pub., 2008.

Cita MLA (9th ed.)

Willis, Thearon, i Bryan Newsome. Beginning Microsoft Visual Basic 2008. Wiley Pub., 2008.