एपीए उद्धरण

Richard W Porter. (1977). Versatile Satellite. Oxford University press.

शिकागो स्टाइल उद्धरण

Richard W Porter. Versatile Satellite. Oxford: Oxford University press, 1977.

एमएलए उद्धरण

Richard W Porter. Versatile Satellite. Oxford University press, 1977.