Schoenberg, I. E. (2002). Focus On Grammar: An Introductory Course for Reference and Practice. Addison Wesley Longman.
Chicago Style CitationSchoenberg, Irene E. Focus On Grammar: An Introductory Course for Reference and Practice. Addison Wesley Longman, 2002.
MLA CitationSchoenberg, Irene E. Focus On Grammar: An Introductory Course for Reference and Practice. Addison Wesley Longman, 2002.
Warning: These citations may not always be 100% accurate.