Não informado. (2001). Annual Report of the New York Zoological Society. New York Zoological Society.
Chicagoスタイル(17版)引用形式Não informado. Annual Report of the New York Zoological Society. New York: New York Zoological Society, 2001.
MLA(8版)引用形式Não informado. Annual Report of the New York Zoological Society. New York Zoological Society, 2001.
警告: この引用は必ずしも正確ではありません.