Stangroom, J. (2009). Einstein's riddle: Riddles, paradoxes, and conundrums to stretch your mind (1st U.S. ed.). Bloomsbury.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रStangroom, Jeremy. Einstein's Riddle: Riddles, Paradoxes, and Conundrums to Stretch Your Mind. 1st U.S. ed. New York: Bloomsbury, 2009.
एमएलए (8वां संस्करण) प्रशस्ति पत्रStangroom, Jeremy. Einstein's Riddle: Riddles, Paradoxes, and Conundrums to Stretch Your Mind. 1st U.S. ed. Bloomsbury, 2009.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.