Dyfyniad APA

Soars, L., & Soars, J. (2011). New headway elementary student's book (4th ed.). Oxford University Press.

Dyfyniad Arddull Chicago

Soars, Liz, and John Soars. New Headway Elementary Student's Book. 4th ed. Oxford: Oxford University Press, 2011.

Dyfyniad MLA

Soars, Liz, and John Soars. New Headway Elementary Student's Book. 4th ed. Oxford University Press, 2011.

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