Billah, M. (2021). Abnormal situation in educational institutions during Covid-19 pandemic. The Independent.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Billah, Masum. Abnormal Situation in Educational Institutions During Covid-19 Pandemic. The Independent, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Billah, Masum. Abnormal Situation in Educational Institutions During Covid-19 Pandemic. The Independent, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.