Frenk Alatorre, M. (1952). Ruth House Webber, Formulistic diction in the Spanish ballad. University of California Press, Berkeley and Los Angeles, 1951. (University of California Publications in Modern Philology, vol. XXXIV, núm. 2, págs. 175-278). Nueva Revista De Filología Hispánica (NRFH), 6(2), 162–165. https://doi.org/10.24201/nrfh.v6i2.3168