Fouloy, Christian D. De., author
Martinus Nijhoff Publishers, 1994
Buku Referensi
Saltzstein, Alan L., author
Thompson, 2003
Buku Teks
Odom, William E., author
Yale University Press, 2004
Buku Teks
Willis, Barry R
Pine Valley Music, 1989
Buku Teks
Collier, John, 1884-1968, author
New American Library, 1947
Buku Teks