Dyfyniad APA

Curtis, A., Douglas, N., Johannsen, K., Morgan, J. R., & Stempleski, S. (2005). World link: Developing English fluency (Teacher ed.). Boston: Thomson Heinle.

Dyfyniad Arddull Chicago

Curtis, Andy., Nancy Douglas, Kristin Johannsen, James R. Morgan, và Susan Stempleski. World Link: Developing English Fluency. Teacher ed. Boston: Thomson Heinle, 2005.

Dyfyniad MLA

Curtis, Andy., et al. World Link: Developing English Fluency. Teacher ed. Boston: Thomson Heinle, 2005.

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