Berger Warren. (2014). More Beutiful Questions: Power of Inquiry to Spark Breakthrough Ideas. Bloomsbury.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBerger Warren. More Beutiful Questions: Power of Inquiry to Spark Breakthrough Ideas. New York: Bloomsbury, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBerger Warren. More Beutiful Questions: Power of Inquiry to Spark Breakthrough Ideas. Bloomsbury, 2014.
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