Delhi (India). National Institute of Education. Directorate of Extension Programmes for Secondary Education. (1962). Report of the working group on the courses of study in science education in the regional training colleges: Mussoorie, 19 to 24 June, 1962. National Council of Educational Research and Training, Directorate of Extension Programmes for Secondary Education.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Delhi (India). National Institute of Education. Directorate of Extension Programmes for Secondary Education. Report of the Working Group on the Courses of Study in Science Education in the Regional Training Colleges: Mussoorie, 19 to 24 June, 1962. New Delhi: National Council of Educational Research and Training, Directorate of Extension Programmes for Secondary Education, 1962.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Delhi (India). National Institute of Education. Directorate of Extension Programmes for Secondary Education. Report of the Working Group on the Courses of Study in Science Education in the Regional Training Colleges: Mussoorie, 19 to 24 June, 1962. National Council of Educational Research and Training, Directorate of Extension Programmes for Secondary Education, 1962.