एपीए उद्धरण

Kaare Christian. The UNIX Text Processing System. John Wiley and Sons.

शिकागो स्टाइल उद्धरण

Kaare Christian. The UNIX Text Processing System. John Wiley and Sons.

एमएलए उद्धरण

Kaare Christian. The UNIX Text Processing System. John Wiley and Sons.