India. Parliament. Committee on Public Undertakings & Lal, B. (1981). Report on Hindustan Teleprinters Ltd.: New projects, Ministry of Communications : presented to Lok Sabha on 23.12.1981 and laid in Rajya Sabha on 23.12.1981. Lok Sabha Secretariat.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিIndia. Parliament. Committee on Public Undertakings এবং Bansi Lal. Report on Hindustan Teleprinters Ltd.: New Projects, Ministry of Communications : Presented to Lok Sabha on 23.12.1981 and Laid in Rajya Sabha on 23.12.1981. New Delhi: Lok Sabha Secretariat, 1981.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিIndia. Parliament. Committee on Public Undertakings এবং Bansi Lal. Report on Hindustan Teleprinters Ltd.: New Projects, Ministry of Communications : Presented to Lok Sabha on 23.12.1981 and Laid in Rajya Sabha on 23.12.1981. Lok Sabha Secretariat, 1981.