383642 Sullivan, W. (1974). Continents in motion: The new earth debate. New York : McGraw-Hill.
Chicago-čujuhus (17. p.)383642 Sullivan, Walter. Continents in Motion: The New Earth Debate. New York : McGraw-Hill, 1974.
MLA-čujuhus (9. p.)383642 Sullivan, Walter. Continents in Motion: The New Earth Debate. New York : McGraw-Hill, 1974.
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