Brontman, L. (1938). On the top of the world: The soviet expedition to the North Pole 1937 (1a. ed.). Victor Gollancz Ltd.
Chicago-čujuhus (17. p.)Brontman, L. On the Top of the World: The Soviet Expedition to the North Pole 1937. 1a. ed. Londres: Victor Gollancz Ltd, 1938.
MLA-čujuhus (9. p.)Brontman, L. On the Top of the World: The Soviet Expedition to the North Pole 1937. 1a. ed. Victor Gollancz Ltd, 1938.
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