(1998). Longman essential activator: Put your ideas into words. Essex, UK: Longman.
शिकागो स्टाइल उद्धरणLongman Essential Activator: Put Your Ideas Into Words. Essex, UK: Longman, 1998.
एमएलए उद्धरणLongman Essential Activator: Put Your Ideas Into Words. Essex, UK: Longman, 1998.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.