Putnam, R. D., Feldstein, L. M., & Cohen, D. (2004). Better together: Restoring the American community (First Simon & Schuster paperback edition.). Simon & Schuster Paperbacks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPutnam, Robert D., Lewis M. Feldstein, और Don Cohen. Better Together: Restoring the American Community. First Simon & Schuster paperback edition. New York: Simon & Schuster Paperbacks, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPutnam, Robert D., et al. Better Together: Restoring the American Community. First Simon & Schuster paperback edition. Simon & Schuster Paperbacks, 2004.
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