Velázquez de la Cadena, M. (1967). A new pronouncing dictionary of the spanish and english languages. Appleton-Century-Crofts.
Citazione stile Chigago Style (17a edizione)Velázquez de la Cadena, Mariano. A New Pronouncing Dictionary of the Spanish and English Languages. Nueva York: Appleton-Century-Crofts, 1967.
Citatione MLA (9a ed.)Velázquez de la Cadena, Mariano. A New Pronouncing Dictionary of the Spanish and English Languages. Appleton-Century-Crofts, 1967.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.