National Institute of Education (India). Data Processing and Educational Survey Unit. (1971). Secondary school teachers in India: A survey.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)National Institute of Education (India). Data Processing and Educational Survey Unit. Secondary School Teachers in India: A Survey. New Delhi, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)National Institute of Education (India). Data Processing and Educational Survey Unit. Secondary School Teachers in India: A Survey. 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.