Edwards, D. M. (1910). The toll of the arctic seas (1a. ed.). Chapman & Hall.
Chicago-čujuhus (17. p.)Edwards, Deltus Malin. The Toll of the Arctic Seas. 1a. ed. Londres: Chapman & Hall, 1910.
MLA-čujuhus (9. p.)Edwards, Deltus Malin. The Toll of the Arctic Seas. 1a. ed. Chapman & Hall, 1910.
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