Cita APA

Lin, Y. L., Reyes Rivera, A. R., Santos Bernal, S. C., & Franco, R. (2009). Helping students of the council of scholarships and scientific research program achieve advanced level oral language performance. San Salvador: Universidad de El Salvador.

Citación estilo Chicago

Lin, Ying Lin, Ada Rebeca Reyes Rivera, Susan Carolina Santos Bernal, y Rina Franco. Helping Students of the Council of Scholarships and Scientific Research Program Achieve Advanced Level Oral Language Performance. San Salvador: Universidad de El Salvador, 2009.

Cita MLA

Lin, Ying Lin, Ada Rebeca Reyes Rivera, Susan Carolina Santos Bernal, y Rina Franco. Helping Students of the Council of Scholarships and Scientific Research Program Achieve Advanced Level Oral Language Performance. San Salvador: Universidad de El Salvador, 2009.