एपीए उद्धरण

Daniel Collins. (2003). Carrier grade voice over IP. New York: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Daniel Collins. Carrier Grade Voice Over IP. New York: McGraw-Hill, 2003.

एमएलए उद्धरण

Daniel Collins. Carrier Grade Voice Over IP. New York: McGraw-Hill, 2003.