龚勋 & 袁秀敏. (2010). 鸟的故事: Story of birds. 光明日报出版社.
Chicago Style (17th ed.) Citation龚勋 and 袁秀敏. 鸟的故事: Story of Birds. 光明日报出版社, 2010.
MLA citiranje龚勋 and 袁秀敏. 鸟的故事: Story of Birds. 光明日报出版社, 2010.
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