弗格森 & 张旭. (2021). 霍金传: Hawking's life and work. 北京联合出版公司.
Chicago Style (17th ed.) Citation弗格森 and 张旭. 霍金传: Hawking's Life and Work. 北京联合出版公司, 2021.
MLA citiranje弗格森 and 张旭. 霍金传: Hawking's Life and Work. 北京联合出版公司, 2021.
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