Maurer, J. (2001). Focus on grammar: Teacher's manual (2nd ed.). White Plains, NY: Addison-Wesley Longman.
शिकागो स्टाइल उद्धरणMaurer, Jay. Focus On Grammar: Teacher's Manual. 2nd ed. White Plains, NY: Addison-Wesley Longman, 2001.
एमएलए उद्धरणMaurer, Jay. Focus On Grammar: Teacher's Manual. 2nd ed. White Plains, NY: Addison-Wesley Longman, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.