Cita APA (7th ed.)

Torgerson, T. W. (1994). Visual basic professional 3.0 programming. Wiley.

Cita Chicago (17th ed.)

Torgerson, Thomas W. Visual Basic Professional 3.0 Programming. New York: Wiley, 1994.

Cita MLA (9th ed.)

Torgerson, Thomas W. Visual Basic Professional 3.0 Programming. Wiley, 1994.