Cobb, S. (1990). Symphony made easy. Osborne McGraw-Hill.
Dyfyniad Arddull ChicagoCobb, Stephen. Symphony Made Easy. Berkeley: Osborne McGraw-Hill, 1990.
Dyfyniad MLACobb, Stephen. Symphony Made Easy. Osborne McGraw-Hill, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.