Faure, Michael, author
Edward Elgar, 2003
Buku Teks
Bellinger, William Kenneth, author
Routledge, 2007
Buku Teks
Bach, George Leland, author
Prentice Hall of India, 1977
Buku Teks
Bach, George Leland, author
Prentice-Hall, 1980
Buku Teks
Bach, George Leland, author
Prentice-Hall, 1966
Buku Teks