Nong kuang bu di zhi diao cha suo (China), Guo li Beiping yan jiu yuan. Di zhi xue yan jiu suo, & Shi ye bu di zhi diao cha suo (China). (1930). Geological bulletin. Geological Survey of China (under the Ministry of Agriculture and Mines) and the Section of Geology of the National Academy of Peiping.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Nong kuang bu di zhi diao cha suo (China), Guo li Beiping yan jiu yuan. Di zhi xue yan jiu suo, và Shi ye bu di zhi diao cha suo (China). Geological Bulletin. Peiping: Geological Survey of China (under the Ministry of Agriculture and Mines) and the Section of Geology of the National Academy of Peiping, 1930.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Nong kuang bu di zhi diao cha suo (China), et al. Geological Bulletin. Geological Survey of China (under the Ministry of Agriculture and Mines) and the Section of Geology of the National Academy of Peiping, 1930.