एपीए उद्धरण

Garfinkel, S., & Spafford, G. (1999). Practical Unix & Internet security. Shroff Publishers and distributors.

शिकागो स्टाइल उद्धरण

Garfinkel, Simson, और Gene Spafford. Practical Unix & Internet Security. Mumbai: Shroff Publishers and distributors, 1999.

एमएलए उद्धरण

Garfinkel, Simson, और Gene Spafford. Practical Unix & Internet Security. Shroff Publishers and distributors, 1999.