McCarthy, W. B. (1990). The Ballad Matrix: Personality, Milieu, and the Oral Tradition. Indiana University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMcCarthy, William Bernard. The Ballad Matrix: Personality, Milieu, and the Oral Tradition. Bloomington: Indiana University Press, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMcCarthy, William Bernard. The Ballad Matrix: Personality, Milieu, and the Oral Tradition. Indiana University Press, 1990.
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