Não informado. (2001). Annual Report of the New York Zoological Society. New York Zoological Society.
Citace podle Chicago (17th ed.)Não informado. Annual Report of the New York Zoological Society. New York: New York Zoological Society, 2001.
Citace podle MLA (8th ed.)Não informado. Annual Report of the New York Zoological Society. New York Zoological Society, 2001.
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