APA
DAS S., . (2018). UNIX: CONCEPTS AND APPLICATIONS, 4TH EDN. Chennai: MC GRAW HILL INDIA.
Chicago
DAS SUMITABHA, . 2018. UNIX: CONCEPTS AND APPLICATIONS, 4TH EDN. Chennai: MC GRAW HILL INDIA.
Harvard
DAS S., . (2018). UNIX: CONCEPTS AND APPLICATIONS, 4TH EDN. Chennai: MC GRAW HILL INDIA.
MLA
DAS SUMITABHA, . UNIX: CONCEPTS AND APPLICATIONS, 4TH EDN. Chennai: MC GRAW HILL INDIA. 2018.