Dyfyniad APA

(2001). A+: Operating system technologies study guide. London: San Francisco.

Dyfyniad Arddull Chicago

A+: Operating System Technologies Study Guide. London: San Francisco, 2001.

Dyfyniad MLA

A+: Operating System Technologies Study Guide. London: San Francisco, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.