Chao, Yuen Ren, 1892-
Concise dictionary of spoken Chinese
Harvard University Press, 1962
 Buku Referensi
Chao, Yuen Ren, 1892-
A grammar of spoken Chinese
University of California Press, 1968
 Buku Teks SO
Halliday, M.A.K.
Spoken and written language
Oxford University Press, 1989
 Buku Teks SO
Neurolinguistics : an Introduction to spoken language processing and its disorders / John C. L. Ingram
Cambridge University Press, 2007
 eBooks
Underhill, Nic
Testing spoken language: a handbook of oral testing techniques
Cambridge University Press, 1993
 Buku Teks SO