APA
Peterson R., . (2019). Linux : the complete reference 6th ed. Mcgraw hill education pvt ltd: New Delhi.
Chicago
Peterson Richard, . 2019. Linux : the complete reference 6th ed. Mcgraw hill education pvt ltd: New Delhi.
Harvard
Peterson R., . (2019). Linux : the complete reference 6th ed. Mcgraw hill education pvt ltd: New Delhi.
MLA
Peterson Richard, . Linux : the complete reference 6th ed. Mcgraw hill education pvt ltd: New Delhi. 2019.