Cita APA (7a ed.)

Cisco Systems. (2001). CISCO CCNA traning kit exam #640-507 user manual. Cisco Press.

Cita Chicago Style (17a ed.)

Cisco Systems. CISCO CCNA Traning Kit Exam #640-507 User Manual. Indianapolis: Cisco Press, 2001.

Cita MLA (8a ed.)

Cisco Systems. CISCO CCNA Traning Kit Exam #640-507 User Manual. Cisco Press, 2001.