APA Citation

Mok, H. N., & Siew, D. C. K. (2008). Current issues in voice over IP.

Chicago Style Citation

Mok, Heng Ngee., and David Chee Kheong Siew. Current Issues in Voice Over IP. 2008.

MLA Citation

Mok, Heng Ngee., and David Chee Kheong Siew. Current Issues in Voice Over IP. 2008.

Warning: These citations may not always be 100% accurate.