Barreno Freire, S. N., Haro Jácome, O., & Flores Yandún, P. (2020). Relation between academic performance and attendance as factors of student promotion.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Barreno Freire, Segundo Napoleón, Oswaldo Haro Jácome, و Paola Flores Yandún. Relation Between Academic Performance and Attendance as Factors of Student Promotion. 2020.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Barreno Freire, Segundo Napoleón, et al. Relation Between Academic Performance and Attendance as Factors of Student Promotion. 2020.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.