McCarthy, W. B. (1990). The Ballad Matrix: Personality, Milieu, and the Oral Tradition. Indiana University Press.
Lua i Stíl Chicago (17ú heag.)McCarthy, William Bernard. The Ballad Matrix: Personality, Milieu, and the Oral Tradition. Bloomington: Indiana University Press, 1990.
Lua MLA (9ú heag.)McCarthy, William Bernard. The Ballad Matrix: Personality, Milieu, and the Oral Tradition. Indiana University Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.