APA
DAS SUMITABHA, . (1998). YOUR UNIX. NEW DELHI: McGRAW HILL.
Chicago
DAS SUMITABHA, . 1998. YOUR UNIX. NEW DELHI: McGRAW HILL.
Harvard
DAS SUMITABHA, . (1998). YOUR UNIX. NEW DELHI: McGRAW HILL.
MLA
DAS SUMITABHA, . YOUR UNIX. NEW DELHI: McGRAW HILL. 1998.