Dyfyniad APA

 Shelly, G. B. (2012).  Discovering the internet: Complete.  Course Technology Cengage Learning.

Dyfyniad Arddull Chicago

 Shelly, Gary B.  Discovering the Internet: Complete.  Course Technology Cengage Learning, 2012.

Dyfyniad MLA

 Shelly, Gary B.  Discovering the Internet: Complete.  Course Technology Cengage Learning, 2012.

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