Burns, Danny, 1964-
MacMiland, 22cm
Buku Teks
Chomsky, Noam, author
University of Cape Town, 1997
Buku Teks
Deutsch, Karl W
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