Yu, X. (1936). Shuang jian chi Shi jing xin zheng: Si juan. Beiping: Zhi li shu ju.
Chicago Style CitationYu, Xingwu. Shuang Jian Chi Shi Jing Xin Zheng: Si Juan. Beiping: Zhi li shu ju, 1936.
MLA CitationYu, Xingwu. Shuang Jian Chi Shi Jing Xin Zheng: Si Juan. Beiping: Zhi li shu ju, 1936.
Warning: These citations may not always be 100% accurate.