Ferree, T., Sanabria, K. 1., Boyd, F., & Numrich, C. (2009). NorthStar 4: Listening and speaking (3 edition.). White Plains, N.Y.: Pearson/Longman.
Chicago Style CitationFerree, Tess, Kim 1955- Sanabria, Frances Boyd, and Carol Numrich. NorthStar 4: Listening and Speaking. 3 edition. White Plains, N.Y.: Pearson/Longman, 2009.
MLA CitationFerree, Tess, Kim 1955- Sanabria, Frances Boyd, and Carol Numrich. NorthStar 4: Listening and Speaking. 3 edition. White Plains, N.Y.: Pearson/Longman, 2009.
Warning: These citations may not always be 100% accurate.