Dawson, C., & Fletcher, L. (2015). Internet security you can afford: Using untangle as your internet gateway. Cengage Learning.
Cita Chicago (17th ed.)Dawson, Christopher, i Luke Fletcher. Internet Security You Can Afford: Using Untangle as Your Internet Gateway. Boston, Massachusetts: Cengage Learning, 2015.
Cita MLA (9th ed.)Dawson, Christopher, i Luke Fletcher. Internet Security You Can Afford: Using Untangle as Your Internet Gateway. Cengage Learning, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.