APA (7th ed.) Citation

Halvorson, M. (1997). Aprenda Visual Basic ya. McGraw-Hill.

Chicago Style (17th ed.) Citation

Halvorson, Michael. Aprenda Visual Basic Ya. Madrid [etc.]: McGraw-Hill, 1997.

MLA (9th ed.) Citation

Halvorson, Michael. Aprenda Visual Basic Ya. McGraw-Hill, 1997.