Παραπομπή APA

Rebecca,Thomas, & Yale,Jean. (1997). A user guide to the unix system (2.). Tata McGraw Hill.

Παραπομπή Chicago Style

Rebecca,Thomas, και Yale,Jean. A User Guide to the Unix System. 2. Delhi: Tata McGraw Hill, 1997.

Παραπομπή MLA

Rebecca,Thomas, και Yale,Jean. A User Guide to the Unix System. 2. Tata McGraw Hill, 1997.