Palta Medina, G. M. (2015). Writing techniques applied by the teachers and their influence on the learning of english language on the students of 10th year of basic education at unidad educativa anexa a la Unl high school. Academic year 2012-2013.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Palta Medina, Graciela Maribel. Writing Techniques Applied by the Teachers and Their Influence on the Learning of English Language on the Students of 10th Year of Basic Education at Unidad Educativa Anexa a La Unl High School. Academic Year 2012-2013. 2015.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Palta Medina, Graciela Maribel. Writing Techniques Applied by the Teachers and Their Influence on the Learning of English Language on the Students of 10th Year of Basic Education at Unidad Educativa Anexa a La Unl High School. Academic Year 2012-2013. 2015.