Campbell, J. (2004). The final frontiersman: Heimo Korth and his family, alone in Alaska's arctic wilderness (1st Atria Books hardcover ed.). Atria Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCampbell, James. The Final Frontiersman: Heimo Korth and His Family, Alone in Alaska's Arctic Wilderness. 1st Atria Books hardcover ed. New York: Atria Books, 2004.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCampbell, James. The Final Frontiersman: Heimo Korth and His Family, Alone in Alaska's Arctic Wilderness. 1st Atria Books hardcover ed. Atria Books, 2004.
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