Watterson, B. (1991). Scientific progress goes "boink": A Calvin and Hobbes collection. Andrews and McMeel.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWatterson, Bill. Scientific Progress Goes "Boink": A Calvin and Hobbes Collection. Kansas City: Andrews and McMeel, 1991.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWatterson, Bill. Scientific Progress Goes "Boink": A Calvin and Hobbes Collection. Andrews and McMeel, 1991.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.