India. Ministry of Planning. Department of Statistics. Central Statistical Organization (Industrial Statistics Wing). (1976). Annual survey of industries (Census sector) 1969 Volume VII. Controller of Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)India. Ministry of Planning. Department of Statistics. Central Statistical Organization (Industrial Statistics Wing). Annual Survey of Industries (Census Sector) 1969 Volume VII. Delhi: Controller of Publications, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)India. Ministry of Planning. Department of Statistics. Central Statistical Organization (Industrial Statistics Wing). Annual Survey of Industries (Census Sector) 1969 Volume VII. Controller of Publications, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.