Sumitabha Das. (2003). UNIX: Concepts and applications (3rd ed.). Tata McGraw-Hill Publishing.
Dyfyniad Arddull ChicagoSumitabha Das. UNIX: Concepts and Applications. 3rd ed. New Delhi: Tata McGraw-Hill Publishing, 2003.
Dyfyniad MLASumitabha Das. UNIX: Concepts and Applications. 3rd ed. Tata McGraw-Hill Publishing, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.