Zhongguo zhongyang dianshitai jiaoyu jiemu yongshu
Zhongguo Zhongyang Dianshitai Duiwaibu, 1990
Buku Teks
Yasmin Prihatini
Universitas Indonesia, 2009
UI - Skripsi Open
Beijing Yuyan Xueyan, [Date of publication not identified]
Buku Teks
Artikel Jurnal
Brezina, Vaclav, 1979-
Cambridge University Press, 2018
Buku Teks SO