Dyfyniad APA

Azar, B. S. (1999). Understanding and using English grammar (3rd ed.). Prentice Hall Regents.

Dyfyniad Arddull Chicago

Azar, Betty Scrampfer. Understanding and Using English Grammar. 3rd ed. Upper Saddle River, N.J: Prentice Hall Regents, 1999.

Dyfyniad MLA

Azar, Betty Scrampfer. Understanding and Using English Grammar. 3rd ed. Prentice Hall Regents, 1999.

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