एपीए उद्धरण

Dimitris N Chorafas. (1984). Interactive message services: Planning,designing & implementing videotex. McGraw-Hill.

शिकागो स्टाइल उद्धरण

Dimitris N Chorafas. Interactive Message Services: Planning,designing & Implementing Videotex. McGraw-Hill, 1984.

एमएलए उद्धरण

Dimitris N Chorafas. Interactive Message Services: Planning,designing & Implementing Videotex. McGraw-Hill, 1984.