Schoenberg. (2006). Focus on grammar: An integrated skills approach (3rd ed.). Pearson Longman.
Chicago Style (17th ed.) CitationSchoenberg. Focus on Grammar: An Integrated Skills Approach. 3rd ed. White Plains, NY: Pearson Longman, 2006.
MLA (9th ed.) CitationSchoenberg. Focus on Grammar: An Integrated Skills Approach. 3rd ed. Pearson Longman, 2006.
Warning: These citations may not always be 100% accurate.