Kirk, R. (1970). The oldest man in America: An adventure in archaeology. Harcourt Brace Jovanovich.
Chicago-čujuhus (17. p.)Kirk, Ruth. The Oldest Man in America: An Adventure in Archaeology. New York: Harcourt Brace Jovanovich, 1970.
MLA-čujuhus (9. p.)Kirk, Ruth. The Oldest Man in America: An Adventure in Archaeology. Harcourt Brace Jovanovich, 1970.
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