PAREDES ABAD, M. V., & LALANGUI VILLALTA, N. E. (2010). Teachers training and its relation with the learning of the english language with the students of 8th, 9th and 10th years of basic education at “Catamayo” high school, night session. Academic period 2009-2010.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)PAREDES ABAD, MARCO VINICIO, و NELLI ELIZABET LALANGUI VILLALTA. Teachers Training and Its Relation with the Learning of the English Language with the Students of 8th, 9th and 10th Years of Basic Education at “Catamayo” High School, Night Session. Academic Period 2009-2010. 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)PAREDES ABAD, MARCO VINICIO, و NELLI ELIZABET LALANGUI VILLALTA. Teachers Training and Its Relation with the Learning of the English Language with the Students of 8th, 9th and 10th Years of Basic Education at “Catamayo” High School, Night Session. Academic Period 2009-2010. 2010.