एपीए उद्धरण

Ritchie,, C. (1998). Operating Systems: Incorporating UNIX & Windows (3rd.). BPB Publications.

शिकागो स्टाइल उद्धरण

Ritchie,, Colin. Operating Systems: Incorporating UNIX & Windows. 3rd. New Delhi: BPB Publications, 1998.

एमएलए उद्धरण

Ritchie,, Colin. Operating Systems: Incorporating UNIX & Windows. 3rd. BPB Publications, 1998.