Das, S. (1993). UNIX system V.4: Concepts and applications. Tata McGraw-Hill.
Čikaški stil citiranjaDas, Sumitabha. UNIX System V.4: Concepts and Applications. New Delhi: Tata McGraw-Hill, 1993.
MLA način citiranjaDas, Sumitabha. UNIX System V.4: Concepts and Applications. Tata McGraw-Hill, 1993.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.