Citazione APA

Yan, Q. (1943). Nanyang jing ji di li =: Economic geography of southeastern Asia (3 ban.). Zheng zhong shu ju.

Stile di citazione Chicago

Yan, Qingping. Nanyang Jing Ji Di Li =: Economic Geography of Southeastern Asia. 3 ban. [Chongqing]: Zheng zhong shu ju, 1943.

Citazione MLA

Yan, Qingping. Nanyang Jing Ji Di Li =: Economic Geography of Southeastern Asia. 3 ban. Zheng zhong shu ju, 1943.