Cramer, John
Allen & Unwin, 1989
Buku Teks
Lerche, Charles O., Jr.
Oxford University Press, 1956
Buku Teks
Moreno, Francisco Jose
Creative Art Book, 2000
Buku Teks
McConnell, Campbell R.
McGraw-Hill, 1987
Buku Teks
edited by Colin Mackerras, Donald H. McMillen and Andrew Wastson
Routledge, 2001
Buku Teks SO