Cunningham, S. (2003). Cutting edge: Students'Book. Harlow: Pearson education.
Dyfyniad Arddull ChicagoCunningham, Sarah. Cutting Edge: Students'Book. Harlow: Pearson education, 2003.
Dyfyniad MLACunningham, Sarah. Cutting Edge: Students'Book. Harlow: Pearson education, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.