McCarthy, W. B. (1990). The Ballad Matrix: Personality, Milieu, and the Oral Tradition. Indiana University Press.
Chicago-viite (17. p.)McCarthy, William Bernard. The Ballad Matrix: Personality, Milieu, and the Oral Tradition. Bloomington: Indiana University Press, 1990.
MLA-viite (9. p.)McCarthy, William Bernard. The Ballad Matrix: Personality, Milieu, and the Oral Tradition. Indiana University Press, 1990.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.