Amen, D. G., & Cashman, M. (2012). Use your brain to change your age: Secrets to look, feel, and think younger every day. Random House Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmen, Daniel G., और Marc Cashman. Use Your Brain to Change Your Age: Secrets to Look, Feel, and Think Younger Every Day. [New York]: Random House Audio, 2012.
एमएलए (8वां संस्करण) प्रशस्ति पत्रAmen, Daniel G., और Marc Cashman. Use Your Brain to Change Your Age: Secrets to Look, Feel, and Think Younger Every Day. Random House Audio, 2012.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.