Munroe, R. (2014). What if? 10th anniversary edition: Serious scientific answers to absurd hypothetical questions.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMunroe, Randall. What If? 10th Anniversary Edition: Serious Scientific Answers to Absurd Hypothetical Questions. 2014.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMunroe, Randall. What If? 10th Anniversary Edition: Serious Scientific Answers to Absurd Hypothetical Questions. 2014.
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