Universidad Nacional (Costa Rica). Escuela de Literatura y Ciencias del Lenguaje, & Madrigal Vindas, I. L. (1997). Oral skill of the communicative approach and the real possibilities of putting it into practice in the third stage of the Costa Rican public high schools. Heredia, C.R.: I.L. Madrigal V..
Citación estilo ChicagoUniversidad Nacional (Costa Rica). Escuela de Literatura y Ciencias del Lenguaje, y Ingrid Lidieth Madrigal Vindas. Oral Skill of the Communicative Approach and the Real Possibilities of Putting It Into Practice in the Third Stage of the Costa Rican Public High Schools. Heredia, C.R.: I.L. Madrigal V., 1997.
Cita MLAUniversidad Nacional (Costa Rica). Escuela de Literatura y Ciencias del Lenguaje, y Ingrid Lidieth Madrigal Vindas. Oral Skill of the Communicative Approach and the Real Possibilities of Putting It Into Practice in the Third Stage of the Costa Rican Public High Schools. Heredia, C.R.: I.L. Madrigal V., 1997.