Ábrego Hernández, S. S., Estupinian, R. E., & Sibrián, R. A. (2008). The Formation of undergraduate english professorship students in four universities in San Salvador in the period 2005-2007. San Salvador: Universidad de El Salvador.
Citación estilo ChicagoÁbrego Hernández, Sandra Silvia, Rafael Edgardo Estupinian, y Rodolfo Alexander Sibrián. The Formation of Undergraduate English Professorship Students in Four Universities in San Salvador in the Period 2005-2007. San Salvador: Universidad de El Salvador, 2008.
Cita MLAÁbrego Hernández, Sandra Silvia, Rafael Edgardo Estupinian, y Rodolfo Alexander Sibrián. The Formation of Undergraduate English Professorship Students in Four Universities in San Salvador in the Period 2005-2007. San Salvador: Universidad de El Salvador, 2008.