Sherratt, Yvonne, author
Cambridge University Press, 2006
Buku Teks
Routledge , 1998
Buku Teks
edited by George Gerbner, Richard B. Byrne
John Wiley & Sons, 1981
Buku Teks
Russel, Fox Hon, author
Covendish Publishing Limited, 2000
Buku Teks
by Phillip J. Cooper [and others]
Harcourt, Brace, 1998
Buku Teks