Cita APA (7a ed.)

Valentine, M., & Whitaker, A. (2008). CCENT exam cram: (exam 640-822) (3rd ed.). Que Pub..

Cita Chicago Style (17a ed.)

Valentine, Michael, y Andrew Whitaker. CCENT Exam Cram: (exam 640-822). 3rd ed. Indianapolis, Ind.: Que Pub., 2008.

Cita MLA (8a ed.)

Valentine, Michael, y Andrew Whitaker. CCENT Exam Cram: (exam 640-822). 3rd ed. Que Pub., 2008.