APA
Daniel G., . (1992). UNIX in a nutshell. O'reilly, Cambridge: .
Chicago
Daniel Gilly, . 1992. UNIX in a nutshell. O'reilly, Cambridge: .
Harvard
Daniel G., . (1992). UNIX in a nutshell. O'reilly, Cambridge: .
MLA
Daniel Gilly, . UNIX in a nutshell. O'reilly, Cambridge: . 1992.