Aguirre Torres, C. A., & Garnica Narvaez, J. C. (2010). A study guide for the mastery of grammatical structures and the improvement of the english language learning of the students of the tenth year of basic education of the Manuel Cabrera Lozano high school, extension in Motupe, academic year 2009 – 2010.
Čikaški stil citiranja (17. izdanje)Aguirre Torres, Carlos Alberto, i Julio Cesar Garnica Narvaez. A Study Guide for the Mastery of Grammatical Structures and the Improvement of the English Language Learning of the Students of the Tenth Year of Basic Education of the Manuel Cabrera Lozano High School, Extension in Motupe, Academic Year 2009 – 2010. 2010.
MLA način citiranja (9. izdanje)Aguirre Torres, Carlos Alberto, i Julio Cesar Garnica Narvaez. A Study Guide for the Mastery of Grammatical Structures and the Improvement of the English Language Learning of the Students of the Tenth Year of Basic Education of the Manuel Cabrera Lozano High School, Extension in Motupe, Academic Year 2009 – 2010. 2010.