Penggayaan APA

Collins. (2003). Carrier grade Voice over IP (2). Singapore: Mc Graw Hill.

Chicago Style

Collins. Carrier grade Voice over IP. 2 Singapore: Mc Graw Hill, 2003. Text.

MLA Style

Collins. Carrier grade Voice over IP. 2 Singapore: Mc Graw Hill, 2003. Text.

Turabian Style

Collins. Carrier grade Voice over IP. 2 Singapore: Mc Graw Hill, 2003. Print.