Maley, A. 1., & Duff, A. (1979). Sounds intriguing: Resource material for teachers. Cambridge University Press.
Cita Chicago (17th ed.)Maley, Alan 1937, i Alan Duff. Sounds Intriguing: Resource Material for Teachers. Cambridge: Cambridge University Press, 1979.
Cita MLA (9th ed.)Maley, Alan 1937, i Alan Duff. Sounds Intriguing: Resource Material for Teachers. Cambridge University Press, 1979.
Atenció: Aquestes cites poden no estar 100% correctes.