Rivera Freire, W. H. (2017). Digital story telling, and its impact in the development of speaking skills of english language in the students of third year of Bachillerato at Instituto Los Andes during the school year 2015-2016.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rivera Freire, Wimper Humberto. Digital Story Telling, and Its Impact in the Development of Speaking Skills of English Language in the Students of Third Year of Bachillerato at Instituto Los Andes During the School Year 2015-2016. 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Rivera Freire, Wimper Humberto. Digital Story Telling, and Its Impact in the Development of Speaking Skills of English Language in the Students of Third Year of Bachillerato at Instituto Los Andes During the School Year 2015-2016. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.