BACH MAURICE J. (2012). THE DESIGN OF THE UNIX OPERATING SYSTEM. PHI LEARNING PRIVATE LIMITED.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBACH MAURICE J. THE DESIGN OF THE UNIX OPERATING SYSTEM. NEW DELHI: PHI LEARNING PRIVATE LIMITED, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBACH MAURICE J. THE DESIGN OF THE UNIX OPERATING SYSTEM. PHI LEARNING PRIVATE LIMITED, 2012.
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