Collins , P. Art of Speeches & Presentations: The Secrets of Making People remember What You Say. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCollins , Philip. Art of Speeches & Presentations: The Secrets of Making People Remember What You Say. New Delhi: Wiley.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCollins , Philip. Art of Speeches & Presentations: The Secrets of Making People Remember What You Say. Wiley.
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