McCarthy, M., & O'Dell, F. (2011). English vocabulary in use : 100 units of vocabulary reference and practice : self-study and classroom use (15th ed.). New York: Cambridge University Press.
MLA CitationMcCarthy, Michael, and Felicity O'Dell. English Vocabulary in Use : 100 Units of Vocabulary Reference and Practice : Self-study and Classroom Use. 15th ed. New York: Cambridge University Press, 2011.