Indian Institute of Petroleum. Annual report ... of the Indian Institute of Petroleum. s.n..
Chicago-referens (17:e uppl.)Indian Institute of Petroleum. Annual Report ... of the Indian Institute of Petroleum. [Dehra Dun, India: s.n..
MLA-referens (8:e uppl.)Indian Institute of Petroleum. Annual Report ... of the Indian Institute of Petroleum. s.n..
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.