एपीए उद्धरण

Goncalves, M. (1999). Voice over IP networks. NewYork: McGraw-Hill.

शिकागो स्टाइल उद्धरण

Goncalves, Marcus. Voice Over IP Networks. NewYork: McGraw-Hill, 1999.

एमएलए उद्धरण

Goncalves, Marcus. Voice Over IP Networks. NewYork: McGraw-Hill, 1999.