APA
Petersen Richard, . (2016). Linux:The Complete Reference. : New Delhi MGH.
Chicago
Petersen Richard, . 2016. Linux:The Complete Reference. : New Delhi MGH.
Harvard
Petersen Richard, . (2016). Linux:The Complete Reference. : New Delhi MGH.
MLA
Petersen Richard, . Linux:The Complete Reference. : New Delhi MGH. 2016.