Cita APA (7a ed.)

Panagrosso, D., & Williams, O. (1999). Test prep MCSD Visual Basic 6 exams. New Riders.

Cita Chicago Style (17a ed.)

Panagrosso, David, y Owen Williams. Test Prep MCSD Visual Basic 6 Exams. Indianapolis, Ind.: New Riders, 1999.

Cita MLA (8a ed.)

Panagrosso, David, y Owen Williams. Test Prep MCSD Visual Basic 6 Exams. New Riders, 1999.