Mass, J. P. (1999). Yoritomo and the founding of the first Bakufu: The origins of dual government in Japan. Stanford University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMass, Jeffrey P. Yoritomo and the Founding of the First Bakufu: The Origins of Dual Government in Japan. Stanford, CA: Stanford University Press, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMass, Jeffrey P. Yoritomo and the Founding of the First Bakufu: The Origins of Dual Government in Japan. Stanford University Press, 1999.
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