Aldcorn, S. B., Harper, A., Gordon, D., Hutchins, L. A., & Richard, J. C. (2003). Developing Tactics for listening: Teacher's Book (Second Edition.). Oxford: Oxford Univ. Press.

Aldcorn, Sue Brioux, Andrew Harper, Deborah Gordon, Lisa A. Hutchins, ja Jack C. Richard. Developing Tactics for Listening: Teacher's Book. Second Edition. Oxford: Oxford Univ. Press, 2003.

Aldcorn, Sue Brioux, et al. Developing Tactics for Listening: Teacher's Book. Second Edition. Oxford: Oxford Univ. Press, 2003.