Dyfyniad APA

Azar, B. S., & Azar; Betty Schrampfer. (1999). Understanding and using english grammar. White Plains, NY: Longman.

Dyfyniad Arddull Chicago

Azar, Betty Schrampfer, và Azar; Betty Schrampfer. Understanding and Using English Grammar. White Plains, NY: Longman, 1999.

Dyfyniad MLA

Azar, Betty Schrampfer, và Azar; Betty Schrampfer. Understanding and Using English Grammar. White Plains, NY: Longman, 1999.

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