Tuan, Y. (1989). Morality and imagination: Paradoxes of progress. University of Wisconsin Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTuan, Yi-fu. Morality and Imagination: Paradoxes of Progress. Madison, WS: University of Wisconsin Press, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTuan, Yi-fu. Morality and Imagination: Paradoxes of Progress. University of Wisconsin Press, 1989.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.