Gaya APA

Greenwood...et.all, A. (2009). Face2Face for Windows XP and Vista, and Mac OSX 10.4 : Advanced Students Book CD-ROM . Cambridge: Cambridge University Press.

Gaya MLA

Greenwood...et.all, Alison. "Face2Face for Windows XP and Vista, and Mac OSX 10.4 : Advanced Students Book CD-ROM". Cambridge: Cambridge University Press, 2009. Multimedia.