Burdick, A. (2017). Why time flies: A mostly scientific investigation (First Simon & Schuster hardcover edition.). Simon & Schuster.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBurdick, Alan. Why Time Flies: A Mostly Scientific Investigation. First Simon & Schuster hardcover edition. New York: Simon & Schuster, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBurdick, Alan. Why Time Flies: A Mostly Scientific Investigation. First Simon & Schuster hardcover edition. Simon & Schuster, 2017.
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