Dyfyniad APA

Williams, J. M. (2003). Style: Lessons in clarity and grace (9th ed.). Longman.

Dyfyniad Arddull Chicago

Williams, Joseph M. Style: Lessons in Clarity and Grace. 9th ed. New York: Longman, 2003.

Dyfyniad MLA

Williams, Joseph M. Style: Lessons in Clarity and Grace. 9th ed. Longman, 2003.

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