APA-viite (7. p.)
Noonan, E. (2012). The strange career of Porgy and Bess: Race, culture, and America's most famous opera. University of North Carolina Press.
Chicago-viite (17. p.)
Noonan, Ellen. The Strange Career of Porgy and Bess: Race, Culture, and America's Most Famous Opera. Chapel Hill: University of North Carolina Press, 2012.
MLA-viite (9. p.)
Noonan, Ellen. The Strange Career of Porgy and Bess: Race, Culture, and America's Most Famous Opera. University of North Carolina Press, 2012.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.