APA-referens (7:e uppl.)

Preston, K. K. (2017). Opera for the people: English-language opera and women managers in late 19th-century America. Oxford University Press.

Chicago-referens (17:e uppl.)

Preston, Katherine K. Opera for the People: English-language Opera and Women Managers in Late 19th-century America. New York, NY: Oxford University Press, 2017.

MLA-referens (9:e uppl.)

Preston, Katherine K. Opera for the People: English-language Opera and Women Managers in Late 19th-century America. Oxford University Press, 2017.