Cita APA (7a ed.)
Lovato Hernández, Z. E., Crespín Escobar, S. L., Escobar, G. E., & Salazar Murcia, P. A. (2003). The level of oral proficiency reached by the students attending advanced english II courses, during semester I of the year 2003. Universidad de El Salvador.
Cita Chicago Style (17a ed.)
Lovato Hernández, Zoila Edith, Sandra Leticia Crespín Escobar, Guillermo Ernesto Escobar, y Pedro Antonio Salazar Murcia. The Level of Oral Proficiency Reached by the Students Attending Advanced English II Courses, During Semester I of the Year 2003. San Salvador: Universidad de El Salvador, 2003.
Cita MLA (9a ed.)
Lovato Hernández, Zoila Edith, et al. The Level of Oral Proficiency Reached by the Students Attending Advanced English II Courses, During Semester I of the Year 2003. Universidad de El Salvador, 2003.
Precaución: Estas citas no son 100% exactas.