勒庞 & 戴光年. (2010). 乌合之众: Study of the popular mind. 新世界出版社.
Dyfyniad Arddull Chicago勒庞 and 戴光年. 乌合之众: Study of the Popular Mind. 新世界出版社, 2010.
Dyfyniad MLA勒庞 and 戴光年. 乌合之众: Study of the Popular Mind. 新世界出版社, 2010.
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