Dyfyniad APA
Haycox, I. (2009). Linux e-mail: Set up, maintain, and secure a small office e-mail server (2nd ed.). Packt Pub..
Dyfyniad Arddull Chicago
Haycox, Ian. Linux E-mail: Set Up, Maintain, and Secure a Small Office E-mail Server. 2nd ed. Birmingham, U.K.: Packt Pub., 2009.
Dyfyniad MLA
Haycox, Ian. Linux E-mail: Set Up, Maintain, and Secure a Small Office E-mail Server. 2nd ed. Packt Pub., 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.