Andhra Pradesh (India). Office of the Director of Public Instruction & Manohar Rao, G. (1969). Report of the second educational survey in Andhra Pradesh, 1965-66.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Andhra Pradesh (India). Office of the Director of Public Instruction و G. Manohar Rao. Report of the Second Educational Survey in Andhra Pradesh, 1965-66. Hyderabad, 1969.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Andhra Pradesh (India). Office of the Director of Public Instruction و G. Manohar Rao. Report of the Second Educational Survey in Andhra Pradesh, 1965-66. 1969.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.