APA
Thomas R. &. Y., . (1985). A User Guide to the Unix System. McGraw - Hill, California: .
Chicago
Thomas Rebecca & Yates,Jean, . 1985. A User Guide to the Unix System. McGraw - Hill, California: .
Harvard
Thomas R. &. Y., . (1985). A User Guide to the Unix System. McGraw - Hill, California: .
MLA
Thomas Rebecca & Yates,Jean, . A User Guide to the Unix System. McGraw - Hill, California: . 1985.