APA aipamena

Balena, F. (1999). Programming Microsoft Visual Basic 6.0. Wp Publishers.

Chicago Style aipamena

Balena, Francesco. Programming Microsoft Visual Basic 6.0. Wp Publishers, 1999.

MLA aipamena

Balena, Francesco. Programming Microsoft Visual Basic 6.0. Wp Publishers, 1999.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.