Pfeiffer, K. L. (2002). The protoliterary: Steps toward an anthropology of culture / K. Ludwig Pfeiffer. Stanford Univ. Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPfeiffer, Karl Ludwig. The Protoliterary: Steps Toward an Anthropology of Culture / K. Ludwig Pfeiffer. Stanford, Calif.: Stanford Univ. Press, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रPfeiffer, Karl Ludwig. The Protoliterary: Steps Toward an Anthropology of Culture / K. Ludwig Pfeiffer. Stanford Univ. Press, 2002.
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