SCOTT-BARRETT. (1999). Proficiency: Focus on listening and speaking. London: pearson Education Ltd..
Chicago Style CitationSCOTT-BARRETT. Proficiency: Focus On Listening and Speaking. London: pearson Education Ltd., 1999.
MLA CitationSCOTT-BARRETT. Proficiency: Focus On Listening and Speaking. London: pearson Education Ltd., 1999.
Warning: These citations may not always be 100% accurate.