APA (7 वां संस्करण) प्रशस्ति पत्र
Osorio Cortez, X. E., Pérez Navarro, F. M., Sánchez Navarro, E. A., Cornejo, J. L., & Garay Salinas, R. (2011). Techniques currently used by the teachers in english academies to awaken teenage student’s interest to develop their oral proficiency and the effects those techniques have on students’ oral participation in the classroom. Universidad de El Salvador.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Osorio Cortez, Xiomara Ester, Flor Marlene Pérez Navarro, Erick Arquimedes Sánchez Navarro, José Ludwig Cornejo, और Ricardo Garay Salinas. Techniques Currently Used by the Teachers in English Academies to Awaken Teenage Student’s Interest to Develop Their Oral Proficiency and the Effects Those Techniques Have on Students’ Oral Participation in the Classroom. San Salvador, El Salvador: Universidad de El Salvador, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Osorio Cortez, Xiomara Ester, et al. Techniques Currently Used by the Teachers in English Academies to Awaken Teenage Student’s Interest to Develop Their Oral Proficiency and the Effects Those Techniques Have on Students’ Oral Participation in the Classroom. Universidad de El Salvador, 2011.
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