Bell, W. (1996). Foundations of futures studies: Human science for a new era. Transaction Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBell, Wendell. Foundations of Futures Studies: Human Science for a New Era. New Brunswick, NJ: Transaction Publishers, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBell, Wendell. Foundations of Futures Studies: Human Science for a New Era. Transaction Publishers, 1996.
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