Alam, M. J., & Sarker, P. P. C. (2012). Adaptation of Preschool Language Scale-4 (PLS-4) for screening language development of Bangla Speaking Children. BRAC University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Alam, Md. Jahangir, و Prof. Profulla C. Sarker. Adaptation of Preschool Language Scale-4 (PLS-4) for Screening Language Development of Bangla Speaking Children. BRAC University, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Alam, Md. Jahangir, و Prof. Profulla C. Sarker. Adaptation of Preschool Language Scale-4 (PLS-4) for Screening Language Development of Bangla Speaking Children. BRAC University, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.