APA (7th ed.) Zitazioa
Smiley, J. (2000). Learn to program Visual Basic: Databases (E-book edition.). Muska & Lipman.
Chicago Style (17th ed.) Zitazioa
Smiley, John. Learn to Program Visual Basic: Databases. E-book edition. Cincinnati, Ohio: Muska & Lipman, 2000.
MLA (9th ed.) Zitazioa
Smiley, John. Learn to Program Visual Basic: Databases. E-book edition. Muska & Lipman, 2000.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.