एपीए उद्धरण

Das, S. (1993). UNIX system V.4: Concepts and applications. Tata McGraw-Hill.

शिकागो स्टाइल उद्धरण

Das, Sumitabha. UNIX System V.4: Concepts and Applications. New Delhi: Tata McGraw-Hill, 1993.

एमएलए उद्धरण

Das, Sumitabha. UNIX System V.4: Concepts and Applications. Tata McGraw-Hill, 1993.