郭漫. (2007). 人类最伟大与最糟糕的发明: Greatest and the worst inventions. 航空工业出版社.
Dyfyniad Arddull Chicago郭漫. 人类最伟大与最糟糕的发明: Greatest and the Worst Inventions. 航空工业出版社, 2007.
Dyfyniad MLA郭漫. 人类最伟大与最糟糕的发明: Greatest and the Worst Inventions. 航空工业出版社, 2007.
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