Liu, Q. (1941). Di fang zi zhi zhi yan jiu (Chu ban.). Qing nian shu dian.
Chicago Style aipamenaLiu, Qian. Di Fang Zi Zhi Zhi Yan Jiu. Chu ban. Chongqing: Qing nian shu dian, 1941.
MLA aipamenaLiu, Qian. Di Fang Zi Zhi Zhi Yan Jiu. Chu ban. Qing nian shu dian, 1941.
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