Sadaf, M., & Amin, M. A. (2021). Challenges of learning spoken English in Bangladesh: A comparative study of English major and non-major university students. BRAC University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Sadaf, Maisha, و Md Al Amin. Challenges of Learning Spoken English in Bangladesh: A Comparative Study of English Major and Non-major University Students. BRAC University, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Sadaf, Maisha, و Md Al Amin. Challenges of Learning Spoken English in Bangladesh: A Comparative Study of English Major and Non-major University Students. BRAC University, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.