Cita APA (7th ed.)

Holzner, S. (1992). Peter Norton's Visual Basic for DOS. Brady Pub.

Cita Chicago (17th ed.)

Holzner, Steven. Peter Norton's Visual Basic for DOS. New York: Brady Pub, 1992.

Cita MLA (9th ed.)

Holzner, Steven. Peter Norton's Visual Basic for DOS. Brady Pub, 1992.