Lavender, D. (1958). Land of giants: The drive to the Pacific Northwest, 1750-1950. Doubleday.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLavender, David. Land of Giants: The Drive to the Pacific Northwest, 1750-1950. Garden City, N.Y.: Doubleday, 1958.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLavender, David. Land of Giants: The Drive to the Pacific Northwest, 1750-1950. Doubleday, 1958.
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