Xu, X. (1931). Ku su: Guo nan xie zhen pi ping yu bao gao. Hong ye shu dian.
Chicago Style (17th ed.) CitationXu, Xiaotian. Ku Su: Guo Nan Xie Zhen Pi Ping Yu Bao Gao. Shanghai: Hong ye shu dian, 1931.
MLA (8th ed.) CitationXu, Xiaotian. Ku Su: Guo Nan Xie Zhen Pi Ping Yu Bao Gao. Hong ye shu dian, 1931.
Warning: These citations may not always be 100% accurate.