Dyfyniad APA

Garfinkel, S., & Schwartz, A. (2011). Practical Unix & Internet Security, 3rd Edition. O'Reilly.

Dyfyniad Arddull Chicago

Garfinkel, Simson, và Alan Schwartz. Practical Unix & Internet Security, 3rd Edition. O'Reilly, 2011.

Dyfyniad MLA

Garfinkel, Simson, và Alan Schwartz. Practical Unix & Internet Security, 3rd Edition. O'Reilly, 2011.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.