Ferrer, J. (1990). Mosaic 2: A listening/speaking skills book. McGraw-Hill.
Dyfyniad Arddull ChicagoFerrer, Jami. Mosaic 2: A Listening/speaking Skills Book. McGraw-Hill, 1990.
Dyfyniad MLAFerrer, Jami. Mosaic 2: A Listening/speaking Skills Book. McGraw-Hill, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.