Cita APA (7a ed.)

Maley, A. 1., & Duff, A. (1979). Sounds intriguing: Resource material for teachers. Cambridge University Press.

Cita Chicago Style (17a ed.)

Maley, Alan 1937, y Alan Duff. Sounds Intriguing: Resource Material for Teachers. Cambridge: Cambridge University Press, 1979.

Cita MLA (9a ed.)

Maley, Alan 1937, y Alan Duff. Sounds Intriguing: Resource Material for Teachers. Cambridge University Press, 1979.