edited by Alexander T.J. Lennon
The Mitt Press, 2002
Buku Teks
Davidson, Paul, author
Edward Elgar, 2011
Buku Teks
edited by George Gerbner, Richard B. Byrne
John Wiley & Sons, 1981
Buku Teks
by Phillip J. Cooper [and others]
Harcourt, Brace, 1998
Buku Teks
Baker, Stanley B., author
Prentince-Hall, 1996
Buku Teks