Soars, L., & Soars, J. (1990). Headway Elementary: Student"s Book. Oxford: Oxford University Press.
Dyfyniad Arddull ChicagoSoars, Liz, và John Soars. Headway Elementary: Student"s Book. Oxford: Oxford University Press, 1990.
Dyfyniad MLASoars, 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.