Dyfyniad APA

Wilson, K., & Healy, T. (2007). Smart choice: Teacher's Book 1. Oxford: Oxford Univ. Press.

Dyfyniad Arddull Chicago

Wilson, Ken., và Thomas Healy. Smart Choice: Teacher's Book 1. Oxford: Oxford Univ. Press, 2007.

Dyfyniad MLA

Wilson, Ken., và Thomas Healy. Smart Choice: Teacher's Book 1. Oxford: Oxford Univ. Press, 2007.

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