Chomsky, Noam
University of Cape Town, 1997
Buku Teks SO
Deutsch, Karl Wolfgang, 1912-1992
Houghton Mifflin, 1970
Buku Teks
Mayer, Lawrence C
Prentince Hall, 1993
Buku Teks
edited by Roy C. Macridis, Bernard E. Brown
Dorsey Press, 1968
Buku Teks SO
compiled by the China Handbook Editorial Committee ; translated by Huang Zengming and Zhou Ji
Foreign Language Press, 1985
Buku Teks SO