Lua APA (7ú heag.)
Cadenas Magaña, F. L., & Meléndez, C. (2008). The effectiveness of active listening to foster the Itensive Itermediate eglish II groups 2 and 3 students' listening skill. Universidad de El Salvador.
Lua i Stíl Chicago (17ú heag.)
Cadenas Magaña, Francisco Leonel, agus Cristian Meléndez. The Effectiveness of Active Listening to Foster the Itensive Itermediate Eglish II Groups 2 and 3 Students' Listening Skill. Santa Ana, El Salvador: Universidad de El Salvador, 2008.
Lua MLA (9ú heag.)
Cadenas Magaña, Francisco Leonel, agus Cristian Meléndez. The Effectiveness of Active Listening to Foster the Itensive Itermediate Eglish II Groups 2 and 3 Students' Listening Skill. Universidad de El Salvador, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.