Katz, Israel J. (1974). "The Traditional Folk Music of Spain: Explorations and Perspectives". Yearbook of the International Folk Music Council. 6: 74. doi:10.2307/767726. JSTOR767726.
jstor.org
Katz, Israel J. (1974). "The Traditional Folk Music of Spain: Explorations and Perspectives". Yearbook of the International Folk Music Council. 6: 74. doi:10.2307/767726. JSTOR767726.