Chao, Yuen Ren, 1892-
A grammar of spoken Chinese
University of California Press, 1968
 Buku Teks SO
Yu, Ning
Stories of the Chinese : intensive audiovisual and reading course of intermediate Chinese; vol. 1
Beijing yu yan da xue chu ban she, 2009
 Buku Teks
Karlgren, Bernhard
Sound and symbol in Chinese
Oxford University Press, 1929
 Buku Teks SO
Learn to speak Chinese (1A, 1B)
The Commercial Press,
 Multimedia
Learn to speak Chinese (2A, 2B)
The Commercial Press (HK) Ltd.,
 Multimedia