APA-viite (7. p.)
Adler, K. (1967). Phonetics and diction in singing: Italian, French, Spanish, German. University of Minnesota Press.
Chicago-viite (17. p.)
Adler, Kurt. Phonetics and Diction in Singing: Italian, French, Spanish, German. Minneapolis: University of Minnesota Press, 1967.
MLA-viite (9. p.)
Adler, Kurt. Phonetics and Diction in Singing: Italian, French, Spanish, German. University of Minnesota Press, 1967.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.