Dyfyniad APA

Turton, N. D., & Heaton, J. B. (1997). Longman dictionary of common errors. Harlow, Essex, England: Longman.

Dyfyniad Arddull Chicago

Turton, N. D., và J. B. Heaton. Longman Dictionary of Common Errors. Harlow, Essex, England: Longman, 1997.

Dyfyniad MLA

Turton, N. D., và J. B. Heaton. Longman Dictionary of Common Errors. Harlow, Essex, England: Longman, 1997.

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