Cain, A. J. (1954). Animal species and their evolution. Hutchinson's University Library.
Citace podle Chicago (17th ed.)Cain, Arthur J. Animal Species and Their Evolution. London: Hutchinson's University Library, 1954.
Citace podle MLA (9th ed.)Cain, Arthur J. Animal Species and Their Evolution. Hutchinson's University Library, 1954.
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