Korten, D. C. (1990). Getting to the 21st century: Voluntary action and the global agenda. Kumarian Press, Oxford & IBH Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKorten, David C. Getting to the 21st Century: Voluntary Action and the Global Agenda. West Hartford, Conn. : New Delhi: Kumarian Press, Oxford & IBH Publishing, 1990.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKorten, David C. Getting to the 21st Century: Voluntary Action and the Global Agenda. Kumarian Press, Oxford & IBH Publishing, 1990.
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