Sutan Takdir Alisjahbana
The failure of modern linguistics : in the face of linguistic problems of the twentieth century
University of Malaya, 1965
 Buku Teks SO
Edinburgh course in applied linguistics; Vol.2
edited by J.P.B. Allen and S. Pit Corder
Oxford University, 1980
 Buku Teks SO
Introducing English linguistics / Charles F. Meyer.
Cambridge University Press, 2009
 eBooks
Saussure, Ferdinand de, 1857-1913
Course in general linguistics
Open Court , 1986
 Buku Teks SO
Saussure, Ferdinand de, 1857-1913
Course in general linguistics
Peter Owen, 1960
 Buku Teks