Ferrer,Jami, & Whalley, E. (1990). Mosaic 2: A listening/Speaking skill book (second edition.). New York: McGraw Hill.
Stile di citazione ChicagoFerrer,Jami, e Elizabeth Whalley. Mosaic 2: A Listening/Speaking Skill Book. second edition. New York: McGraw Hill, 1990.
Citazione MLAFerrer,Jami, e Elizabeth Whalley. Mosaic 2: A Listening/Speaking Skill Book. second edition. New York: McGraw Hill, 1990.
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