Dyfyniad APA

Nunan, D. (2007). What is this thing called language? Palgrave Macmillan.

Dyfyniad Arddull Chicago

Nunan, David. What Is This Thing Called Language? Houndmills, Basingstoke, Hants: Palgrave Macmillan, 2007.

Dyfyniad MLA

Nunan, David. What Is This Thing Called Language? Palgrave Macmillan, 2007.

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