Dyfyniad APA

Berry, T. E. (2012). Most common mistakes in english usage. Tata Mc Graw Hill.

Dyfyniad Arddull Chicago

Berry, Thomas Elliott. Most Common Mistakes in English Usage. New Delhi: Tata Mc Graw Hill, 2012.

Dyfyniad MLA

Berry, Thomas Elliott. Most Common Mistakes in English Usage. Tata Mc Graw Hill, 2012.

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