Cita APA

Guerra, Y., Mendieta, . A. L., Acosta, . J., Vargas, V., & De Gracia, . E. (2013). Main factors that affect the low academic performance of the english subject from 9th grade students, in Daniel Octavio Crespo High School, Concepcion, Bugaba Chiriquí, 2013. David, Panamá: UDELAS.

Citación estilo Chicago

Guerra, Yenisbeth, Ana Leticia Mendieta, Jorge Acosta, Victor Vargas, y Edward De Gracia. Main Factors That Affect the Low Academic Performance of the English Subject From 9th Grade Students, in Daniel Octavio Crespo High School, Concepcion, Bugaba Chiriquí, 2013. David, Panamá: UDELAS, 2013.

Cita MLA

Guerra, Yenisbeth, et al. Main Factors That Affect the Low Academic Performance of the English Subject From 9th Grade Students, in Daniel Octavio Crespo High School, Concepcion, Bugaba Chiriquí, 2013. David, Panamá: UDELAS, 2013.