Wick, W. (1997). A drop of water: A book of science and wonder. Scholastic.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWick, Walter. A Drop of Water: A Book of Science and Wonder. New York: Scholastic, 1997.
एमएलए (8वां संस्करण) प्रशस्ति पत्रWick, Walter. A Drop of Water: A Book of Science and Wonder. Scholastic, 1997.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.