APA ציטוט

Davidson, J., Gracely, B., & Peters, J. (2000). Voice over IP fundamentals. Indianapolis, IN: Cisco Press.

Trích dẫn kiểu Chicago

Davidson, Jonathan., Brian Gracely, và James Peters. Voice Over IP Fundamentals. Indianapolis, IN: Cisco Press, 2000.

ציטוט MLA

Davidson, Jonathan., Brian Gracely, và James Peters. Voice Over IP Fundamentals. Indianapolis, IN: Cisco Press, 2000.