Dyfyniad APA

Spivey, D. (2012). Mac, OS X Lion edition. McGraw Hill.

Dyfyniad Arddull Chicago

Spivey, Dwight. Mac, OS X Lion Edition. New York: McGraw Hill, 2012.

Dyfyniad MLA

Spivey, Dwight. Mac, OS X Lion Edition. McGraw Hill, 2012.

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