Hofstadter, D. R. Godel, Escher, Bach: An eternal golden braid. Penguin.
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芝加哥风格引文
Hofstadter, Douglas R. Godel, Escher, Bach: An Eternal Golden Braid. Penguin.
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MLA引文
Hofstadter, Douglas R. Godel, Escher, Bach: An Eternal Golden Braid. Penguin.
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警告：这些引文格式不一定是100％准确.