Raeburn, Michael
The chronicle of opera
Thames and Hudson, 1998
Buku Referensi
Dent, Edward J.
Opera
Penguin Books, 1949
Buku Teks SO
Gordon, Lois
American Chronicle
Yale University Press, 1999
Buku Teks
Chronicle of America.
ECAM Publications, 1989
Buku Teks
Unesco Chronicle
Paris : Unesco Coupon
Majalah, Jurnal, Buletin