Cita APA (7th ed.)

Callahan, E. (1997). Microsoft Access 97: Visual basic paso a paso. McGraw Hill.

Cita Chicago (17th ed.)

Callahan, Evan. Microsoft Access 97: Visual Basic Paso a Paso. Madrid, España: McGraw Hill, 1997.

Cita MLA (9th ed.)

Callahan, Evan. Microsoft Access 97: Visual Basic Paso a Paso. McGraw Hill, 1997.