Downs, R. B. (1978). In search of new horizons: Epic tales of travel and exploration. American Library Association.
Citace podle Chicago (17th ed.)Downs, Robert Bingham. In Search of New Horizons: Epic Tales of Travel and Exploration. Chicago: American Library Association, 1978.
Citace podle MLA (9th ed.)Downs, Robert Bingham. In Search of New Horizons: Epic Tales of Travel and Exploration. American Library Association, 1978.
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