Teggart, F. J., & Bock, K. (1977). Theory and processes of history (Second pbk. edition.). University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTeggart, Frederick J., और Kenneth Bock. Theory and Processes of History. Second pbk. edition. Berkeley: University of California Press, 1977.
एमएलए (8वां संस्करण) प्रशस्ति पत्रTeggart, Frederick J., और Kenneth Bock. Theory and Processes of History. Second pbk. edition. University of California Press, 1977.
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