Schoenberg, I. E., & Maurer, J. (2006). Focus on Grammar 1: An integrated skills approach (Second edition.). United State: Pearson Longman.
Chicago Style CitationSchoenberg, Irene E., and Jay Maurer. Focus On Grammar 1: An Integrated Skills Approach. Second edition. United State: Pearson Longman, 2006.
MLA CitationSchoenberg, Irene E., and Jay Maurer. Focus On Grammar 1: An Integrated Skills Approach. Second edition. United State: Pearson Longman, 2006.
Warning: These citations may not always be 100% accurate.