Collins, H. B. (1954). Arctic Area: Indigenous period. Inst. Panamericano de Geografía e Historia.
Chicago Style (17. basım) AtıfCollins, Henry B. Arctic Area: Indigenous Period. México: Inst. Panamericano de Geografía e Historia, 1954.
MLA (9th ed.) AtıfCollins, Henry B. Arctic Area: Indigenous Period. Inst. Panamericano de Geografía e Historia, 1954.
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