Munroe, R., & Wheaton, W. (2022). What if? 2: Additional serious scientific answers to absurd hypothetical questions (Unabridged.). Penguin Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMunroe, Randall, और Wil Wheaton. What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions. Unabridged. New York: Penguin Audio, 2022.
एमएलए (8वां संस्करण) प्रशस्ति पत्रMunroe, Randall, और Wil Wheaton. What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions. Unabridged. Penguin Audio, 2022.
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