Dyfyniad APA

 Fromkin, V. (2014).  An Introduction to language.  Wadsworth Cengage Learning.

Dyfyniad Arddull Chicago

 Fromkin, Victoria.  An Introduction to Language.  Wadsworth Cengage Learning, 2014.

Dyfyniad MLA

 Fromkin, Victoria.  An Introduction to Language.  Wadsworth Cengage Learning, 2014.

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