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.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.