Doesinger, S. (1998). Elements of time and space: The story of a turtle / Stephan Doesinger. Ellipsis.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDoesinger, Stephan. Elements of Time and Space: The Story of a Turtle / Stephan Doesinger. London: Ellipsis, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDoesinger, Stephan. Elements of Time and Space: The Story of a Turtle / Stephan Doesinger. Ellipsis, 1998.
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