APA-ийн эшлэл(7 дахь хэвлэлт)
Alvarado Reina, R. E., Contreras Menjivar, R. M., Orellana Pineda, N. B., Guzmán Martínez, R., & Ayala, E. N. The most common deficiencies that obstruct the writing skills of composition l students of the foreing lenguaje Department of The School of Arts and Ciences fo The University of El Salvador in second semester of the year 2012.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)
Alvarado Reina, Ronald Enrique, Rodolfo Mauricio Contreras Menjivar, Noelia Beatriz Orellana Pineda, Rolando Guzmán Martínez, ба Edgar Nicolás Ayala. The Most Common Deficiencies That Obstruct the Writing Skills of Composition L Students of the Foreing Lenguaje Department of The School of Arts and Ciences Fo The University of El Salvador in Second Semester of the Year 2012.
MLA -ийн эшлэл (9 дэх хэвлэлт)
Alvarado Reina, Ronald Enrique, et al. The Most Common Deficiencies That Obstruct the Writing Skills of Composition L Students of the Foreing Lenguaje Department of The School of Arts and Ciences Fo The University of El Salvador in Second Semester of the Year 2012.
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