Dyfyniad APA

Mueller,Scott. (2014). Upgrading and repairing PCs (20th.). Pearson.

Dyfyniad Arddull Chicago

Mueller,Scott. Upgrading and Repairing PCs. 20th. Noida: Pearson, 2014.

Dyfyniad MLA

Mueller,Scott. Upgrading and Repairing PCs. 20th. Pearson, 2014.

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