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.
Chicago Style CitationÁbrego Hernández, Sandra Silvia, Rafael Edgardo Estupinian, and 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.
MLA CitationÁbrego Hernández, Sandra Silvia, Rafael Edgardo Estupinian, and 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.