APA (7th ed.) Citation

Onsins, J. Visual Basic 3: Curso de iniciación. Inforbook's.

Chicago Style (17th ed.) Citation

Onsins, Joaquim. Visual Basic 3: Curso De Iniciación. Barcelona: Inforbook's.

MLA (9th ed.) Citation

Onsins, Joaquim. Visual Basic 3: Curso De Iniciación. Inforbook's.

Warning: These citations may not always be 100% accurate.