Gao, Y., Li, G., & Guo, X. (1993). Wai guo ren xue xi yu shi yong Han yu qing kuang diao cha yan jiu bao gao (Di 1 ban, di 1 ci yin shua.). Bei jing yu yan xue yuan chu ban she.
Chicago Style (17th ed.) CitationGao, Yande, Guoqiang Li, and Xu Guo. Wai Guo Ren Xue Xi Yu Shi Yong Han Yu Qing Kuang Diao Cha Yan Jiu Bao Gao. Di 1 ban, di 1 ci yin shua. Bei jing: Bei jing yu yan xue yuan chu ban she, 1993.
MLA (9th ed.) CitationGao, Yande, et al. Wai Guo Ren Xue Xi Yu Shi Yong Han Yu Qing Kuang Diao Cha Yan Jiu Bao Gao. Di 1 ban, di 1 ci yin shua. Bei jing yu yan xue yuan chu ban she, 1993.
Warning: These citations may not always be 100% accurate.