Garfinkel, S., & Spafford, G. (1996). Practical UNIX and Internet Security (2nd ed.). O'Reilly & Associates.
Chicago (17e ed.) BronvermeldingGarfinkel, Simson, en Gene Spafford. Practical UNIX and Internet Security. 2nd ed. United States of America: O'Reilly & Associates, 1996.
MLA (9e ed.) BronvermeldingGarfinkel, Simson, en Gene Spafford. Practical UNIX and Internet Security. 2nd ed. O'Reilly & Associates, 1996.