Cita APA

Hewings, M., & Hewings, M. (1993). Pronunciation tasks: A course for pre-intermediate learners. Cambridge: Cambridge University Press.

Citación estilo Chicago

Hewings, Martin, y Martin Hewings. Pronunciation Tasks: A Course for Pre-intermediate Learners. Cambridge: Cambridge University Press, 1993.

Cita MLA

Hewings, Martin, y Martin Hewings. Pronunciation Tasks: A Course for Pre-intermediate Learners. Cambridge: Cambridge University Press, 1993.