Ahmed, S. M., Chowdhury, S. M., Rana, A. M., Rahman, A., & Chowdhury, A. (2019). Drug abuse in Bangladesh: Knowledge, attitude and perceptions of secondary school students. Research and Evaluation Division, Brac.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmed, Syed Masud, Shamim Matin Chowdhury, AKM Masud Rana, Azizur Rahman, و AMR Chowdhury. Drug Abuse in Bangladesh: Knowledge, Attitude and Perceptions of Secondary School Students. Research and Evaluation Division, Brac, 2019.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmed, Syed Masud, et al. Drug Abuse in Bangladesh: Knowledge, Attitude and Perceptions of Secondary School Students. Research and Evaluation Division, Brac, 2019.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.