Dyfyniad APA

Aveyard, P., & West, R. (2007). Authors' reply to letter [6].

Dyfyniad Arddull Chicago

Aveyard, P., and R. West. Authors' Reply to Letter [6]. 2007.

Dyfyniad MLA

Aveyard, P., and R. West. Authors' Reply to Letter [6]. 2007.

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