APA-ийн эшлэл(7 дахь хэвлэлт)

Dawson, C., & Fletcher, L. (2015). Internet security you can afford: Using untangle as your internet gateway. Cengage Learning.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Dawson, Christopher, ба Luke Fletcher. Internet Security You Can Afford: Using Untangle as Your Internet Gateway. Boston, Massachusetts: Cengage Learning, 2015.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Dawson, Christopher, ба Luke Fletcher. Internet Security You Can Afford: Using Untangle as Your Internet Gateway. Cengage Learning, 2015.