Cita APA (7a ed.)

Bradford, B., & Brazil, D. (2005). Intonation in context: Intonation practice for upper-intermediate and advanced learners of English. Teacher's book. Cambridge University.

Cita Chicago Style (17a ed.)

Bradford, Barbara, y David Brazil. Intonation in Context: Intonation Practice for Upper-intermediate and Advanced Learners of English. Teacher's Book. Cambridge: Cambridge University, 2005.

Cita MLA (9a ed.)

Bradford, Barbara, y David Brazil. Intonation in Context: Intonation Practice for Upper-intermediate and Advanced Learners of English. Teacher's Book. Cambridge University, 2005.