Zaman, S. S., & Ahmed, S. (2021). 21st century skills for primary & secondary level students in Bangladeshi English classrooms. Brac University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zaman, Syeda Summya, و Sabreena Ahmed. 21st Century Skills for Primary & Secondary Level Students in Bangladeshi English Classrooms. Brac University, 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Zaman, Syeda Summya, و Sabreena Ahmed. 21st Century Skills for Primary & Secondary Level Students in Bangladeshi English Classrooms. Brac University, 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.