Tapia Calama, J. R. (2015). The english language and the use of podcasts to improve the listening skill of english career students at Cotopaxi Technical University during the academic cycle march - august 2014.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Tapia Calama, Jhonny Robinson. The English Language and the Use of Podcasts to Improve the Listening Skill of English Career Students at Cotopaxi Technical University During the Academic Cycle March - August 2014. 2015.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Tapia Calama, Jhonny Robinson. The English Language and the Use of Podcasts to Improve the Listening Skill of English Career Students at Cotopaxi Technical University During the Academic Cycle March - August 2014. 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.