Merdinger, P., & Barton, L. (2009). Northstar 1: Listening and speaking. (2. ed.). New York: Pearson education.
Chicago Style CitationMerdinger, Polly, and Laurie Barton. Northstar 1: Listening and Speaking. 2. ed. New York: Pearson education, 2009.
MLA CitationMerdinger, Polly, and Laurie Barton. Northstar 1: Listening and Speaking. 2. ed. New York: Pearson education, 2009.
Warning: These citations may not always be 100% accurate.