Dyfyniad APA

Smith, A., & Wempen, F. (2012). CompTIA strata study guide. John Wiley.

Dyfyniad Arddull Chicago

Smith, Andrew, and Faithe Wempen. CompTIA Strata Study Guide. Chichester, West Sussex: John Wiley, 2012.

Dyfyniad MLA

Smith, Andrew, and Faithe Wempen. CompTIA Strata Study Guide. John Wiley, 2012.

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