Dawson, C., & Fletcher, L. (2015). Internet security you can afford: Using untangle as your internet gateway. Cengage Learning.
芝加哥风格引文Dawson, Christopher, 与 Luke Fletcher. Internet Security You Can Afford: Using Untangle as Your Internet Gateway. Boston, Massachusetts: Cengage Learning, 2015.
MLA引文Dawson, Christopher, 与 Luke Fletcher. Internet Security You Can Afford: Using Untangle as Your Internet Gateway. Cengage Learning, 2015.
警告：这些引文格式不一定是100％准确.