Dyfyniad APA

Soars, L., & Soars, J. (1990). Headway Elementary: Student"s Book. Oxford: Oxford University Press.

Dyfyniad Arddull Chicago

Soars, Liz, và John Soars. Headway Elementary: Student"s Book. Oxford: Oxford University Press, 1990.

Dyfyniad MLA

Soars, Liz, và John Soars. Headway Elementary: Student"s Book. Oxford: Oxford University Press, 1990.

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