Dyfyniad APA

Kobbe, G., & Harewood, G. L. (1963). Complete opera book. Putnam.

Dyfyniad Arddull Chicago

Kobbe, Gustav, and George Lascelles Harewood. Complete Opera Book. London, New York: Putnam, 1963.

Dyfyniad MLA

Kobbe, Gustav, and George Lascelles Harewood. Complete Opera Book. Putnam, 1963.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.