Citazione Stile APA (7a Edizione)

Warren, R. (1995). Opera workshop: Studies in understanding and interpretation. Scolar Press.

Citazione stile Chigago Style (17a edizione)

Warren, Raymond. Opera Workshop: Studies in Understanding and Interpretation. Aldershot, Hants, Eng: Scolar Press, 1995.

Citatione MLA (9a ed.)

Warren, Raymond. Opera Workshop: Studies in Understanding and Interpretation. Scolar Press, 1995.