Dyfyniad APA

Nunan, D. (2005). Go for it !: Student book. Boston, MA: Thomson.

Dyfyniad Arddull Chicago

Nunan, David. Go for It !: Student Book. Boston, MA: Thomson, 2005.

Dyfyniad MLA

Nunan, David. Go for It !: Student Book. Boston, MA: Thomson, 2005.

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