Morgan, Sally
Fremantle Arts Centre Press, 1987
Buku Teks
Prentice-Hall, 1965.
Buku Teks
King, Francis, 1923-2011, author
Thames & Hudson, 1988
Buku Teks
Kraemer, Richard H.
West Pub. Co, 1989
Buku Teks
Brewster, Lawrence G., author
Thomson Wadsworth, 2004
Buku Teks