O'Connell, S. (1996). Focus on first certificate for revised exam. [New York]: Longman.
शिकागो स्टाइल उद्धरणO'Connell, Sue. Focus On First Certificate for Revised Exam. [New York]: Longman, 1996.
एमएलए उद्धरणO'Connell, Sue. Focus On First Certificate for Revised Exam. [New York]: Longman, 1996.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.