May, P. (2003). Towards proficiency: Student’s book. oxford.
Dyfyniad Arddull ChicagoMay, Perter. Towards Proficiency: Student’s Book. oxford, 2003.
Dyfyniad MLAMay, Perter. Towards Proficiency: Student’s Book. oxford, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.