Cita APA (7a ed.)

Callahan, E. (1999). Microsoft Access 97-Visual Basic paso a paso. McGraw-Hill.

Cita Chicago Style (17a ed.)

Callahan, Evan. Microsoft Access 97-Visual Basic Paso a Paso. Madrid [etc.]: McGraw-Hill, 1999.

Cita MLA (9a ed.)

Callahan, Evan. Microsoft Access 97-Visual Basic Paso a Paso. McGraw-Hill, 1999.