Patterson, A. R., & Alison Ramage Patterson. (2014). Unlock: Listening and speaking skills. Cambridge: Cambridge University Press.
Chicago Style CitationPatterson, Alison Ramage, and Alison Ramage Patterson. Unlock: Listening and Speaking Skills. Cambridge: Cambridge University Press, 2014.
MLA CitationPatterson, Alison Ramage, and Alison Ramage Patterson. Unlock: Listening and Speaking Skills. Cambridge: Cambridge University Press, 2014.
Warning: These citations may not always be 100% accurate.