Darwin, C. (1958). The Origin of species: By means of natural selection or the preservation of favoured races in the struggle for life. New American Library.
Citace podle Chicago (17th ed.)Darwin, Charles. The Origin of Species: By Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. New York: New American Library, 1958.
Citace podle MLA (9th ed.)Darwin, Charles. The Origin of Species: By Means of Natural Selection or the Preservation of Favoured Races in the Struggle for Life. New American Library, 1958.
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