Purcell J. (1997). LINUX complete command reference. Sams Publishing.
Cita Chicago (17th ed.)Purcell J. LINUX Complete Command Reference. Sams Publishing, 1997.
Cita MLA (9th ed.)Purcell J. LINUX Complete Command Reference. Sams Publishing, 1997.
Atenció: Aquestes cites poden no estar 100% correctes.