Mandal, P. P., & Al Amin, M. (2019). Difficulties in learning english faced by secondary level students in Bangla medium schools in Bangladesh. BRAC University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mandal, Pragya Paramita, و MD Al Amin. Difficulties in Learning English Faced by Secondary Level Students in Bangla Medium Schools in Bangladesh. BRAC University, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mandal, Pragya Paramita, و MD Al Amin. Difficulties in Learning English Faced by Secondary Level Students in Bangla Medium Schools in Bangladesh. BRAC University, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.