[publisher not identified], 1977
Buku Teks
Selby, David, author
Cambridge University Press, 1988
Buku Teks
Robin West, editor
Ashgate/Dartmouth, 2000
Buku Teks
Columbia University Press, 1981
Buku Teks
edited by George Clack
[publisher not identified], 1998
Buku Teks