Pike, Z. M. (1966). Sources of the Mississippi and the Western Louisiana Territory. University Microfilms.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPike, Zebulon Montgomery. Sources of the Mississippi and the Western Louisiana Territory. Ann Arbor [Mich.]: University Microfilms, 1966.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPike, Zebulon Montgomery. Sources of the Mississippi and the Western Louisiana Territory. University Microfilms, 1966.
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