APA
Bradford B., . (2000). Intonation in context: Intonation for upper-intermediate and advanced learners of English (Cassettes). Cambridge: Cambridge University press.
Chicago
Bradford Barbara, . 2000. Intonation in context: Intonation for upper-intermediate and advanced learners of English (Cassettes). Cambridge: Cambridge University press.
Harvard
Bradford B., . (2000). Intonation in context: Intonation for upper-intermediate and advanced learners of English (Cassettes). Cambridge: Cambridge University press.
MLA
Bradford Barbara, . Intonation in context: Intonation for upper-intermediate and advanced learners of English (Cassettes). Cambridge: Cambridge University press. 2000.