Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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