Cita APA (7th ed.)

Halvorson, M. (1997). Microsoft Visual Basic 5 step by step. Microsoft Press.

Cita Chicago (17th ed.)

Halvorson, Michael. Microsoft Visual Basic 5 Step by Step. Redmond, Wa: Microsoft Press, 1997.

Cita MLA (9th ed.)

Halvorson, Michael. Microsoft Visual Basic 5 Step by Step. Microsoft Press, 1997.