Kaul,Inge. (1999). Global public goods: International cooperation in the 21st century. Oxford Oxford University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKaul,Inge. Global Public Goods: International Cooperation in the 21st Century. New York: Oxford Oxford University, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKaul,Inge. Global Public Goods: International Cooperation in the 21st Century. Oxford Oxford University, 1999.
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