Gordon, W. J. (1907). Round about the North Pole. With woodcuts and other illustrations by Edward Whymper (1a. ed.). John Murray.
Chicago-čujuhus (17. p.)Gordon, W. J. Round About the North Pole. With Woodcuts and Other Illustrations by Edward Whymper. 1a. ed. Londres: John Murray, 1907.
MLA-čujuhus (9. p.)Gordon, W. J. Round About the North Pole. With Woodcuts and Other Illustrations by Edward Whymper. 1a. ed. John Murray, 1907.
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