India. Parliament. Committee on Public Undertakings & Lal, B. (1981). Report on Damodar Valley Corporation, Ministry of Energy, Department of Power: Presented to Lok Sabha on 7 Apr. 1981 and laid in Rajya Sabha on 7 Apr. 1981. Lok Sabha Secretariat.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)India. Parliament. Committee on Public Undertakings و Bansi Lal. Report on Damodar Valley Corporation, Ministry of Energy, Department of Power: Presented to Lok Sabha on 7 Apr. 1981 and Laid in Rajya Sabha on 7 Apr. 1981. New Delhi: Lok Sabha Secretariat, 1981.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)India. Parliament. Committee on Public Undertakings و Bansi Lal. Report on Damodar Valley Corporation, Ministry of Energy, Department of Power: Presented to Lok Sabha on 7 Apr. 1981 and Laid in Rajya Sabha on 7 Apr. 1981. Lok Sabha Secretariat, 1981.