Citazione Stile APA (7a Edizione)

Cioara, J. (2007). Authorized self-study guide: Cisco IP telephony (CIPT) (Second edition.). Cisco Press.

Citazione stile Chigago Style (17a edizione)

Cioara, Jeremy. Authorized Self-study Guide: Cisco IP Telephony (CIPT). Second edition. Indiana: Cisco Press, 2007.

Citatione MLA (8a ed.)

Cioara, Jeremy. Authorized Self-study Guide: Cisco IP Telephony (CIPT). Second edition. Cisco Press, 2007.