CALVO RIGUAL, C.; ANDIÓN HERRERO, M. A. A response to "Is it productive to teach varieties of Spanish in the foreign language classroom?" and to "Americanisms in Spanish as a Foreign Language", with M. Antonieta Andión Herrero’s reply. RiCOGNIZIONI. Rivista di Lingue e Letterature straniere e Culture moderne, v. 2, n. 3, p. 173-175, 30 Jun. 2015.