Twelve American voices an authentic listening and integrated-skills textbook - Hauck, Maurice Cogan, 1966-; MacDougall, Kenneth, 1963-; Isay, David; ebrary, Inc. (New Haven : Yale University Press, 2002)
"Based on National Radio Documentaries by David Isay."
Electronic reproduction.
Keywords: English language -- Textbooks for foreign speakers; Listening -- Problems, exercises, etc; Readers -- United States; United States -- Social life and customs -- Problems, exercises, etc; Electronic books