National Institute of Education (India). Dept. of Teacher Education, National Council of Educational Research and Training (India), Arora, K., & Dasgupta, H. (1977). Second national survey of teacher education at elementary level. National Council of Educational Research and Training.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Institute of Education (India). Dept. of Teacher Education, National Council of Educational Research and Training (India), Kamla Arora, و Hoimanti Dasgupta. Second National Survey of Teacher Education at Elementary Level. New Delhi: National Council of Educational Research and Training, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Institute of Education (India). Dept. of Teacher Education, et al. Second National Survey of Teacher Education at Elementary Level. National Council of Educational Research and Training, 1977.