APA-viite (7. p.)
Levin, D. J. (2007). Unsettling opera: Staging Mozart, Verdi, Wagner, and Zemlinsky. University of Chicago Press.
Chicago-viite (17. p.)
Levin, David J. Unsettling Opera: Staging Mozart, Verdi, Wagner, and Zemlinsky. Chicago: University of Chicago Press, 2007.
MLA-viite (9. p.)
Levin, David J. Unsettling Opera: Staging Mozart, Verdi, Wagner, and Zemlinsky. University of Chicago Press, 2007.
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