Deutsch, Karl Wolfgang, 1912-1992
Prentice-Hall, 1978
Buku Teks
Deutsch, Karl Wolfgang, 1912-1992
Prentice-Hall, 1968
Buku Teks
Griffith, Martin
Routledge, 2002
Buku Teks
edited by Beth A. Simmons and Richard H. Steinberg
Cambridge University Press, 2006
Buku Teks
Moon, Parker Thomas
Macmillan, 1926
Buku Referensi