Zhongguo you zheng tong ji zhuan kan /
Jiao tong bu zong wu si di liu ke bian.
中國郵政統計專刊
APA Citation
China. Jiao tong bu., China. 交通部. (201931). Zhongguo you zheng tong ji zhuan kan. [Nanjing?].
MLA Citation
China. Jiao tong bu, and China. 交通部. Zhongguo You Zheng Tong Ji Zhuan Kan. [Nanjing?], 201931.
Warning: These citations may not always be complete (especially for serials).