India. Parliament. Committee on Public Undertakings. (1968). Heavy Engineering Corporation Ltd., Ministry of Industrial Development and Company Affairs (Department of Industrial Development). Lok Sabha Secretariat.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)India. Parliament. Committee on Public Undertakings. Heavy Engineering Corporation Ltd., Ministry of Industrial Development and Company Affairs (Department of Industrial Development). New Delhi: Lok Sabha Secretariat, 1968.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)India. Parliament. Committee on Public Undertakings. Heavy Engineering Corporation Ltd., Ministry of Industrial Development and Company Affairs (Department of Industrial Development). Lok Sabha Secretariat, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.