Colin Mackerras, Donald H.McMillen, Andrew Wastson
Routledge, 2001
Buku Teks
Wynot, Edward D., author
University of Georgia Press, 1974
Buku Teks
Oxford University Press, 1996
Buku Teks
Foreign Language Press, 1959
Buku Teks
Cole, John, author
BBC Book 1987, 1987
Buku Teks