India. Parliament. Committee on Public Undertakings. (1966). The Kerala Premo Pipe Factory, ltd., Trivandrum: Department of Public Health & Engineering, Government of Kerala. Lok Sabha Secretariat.
Chicago-referens (17:e uppl.)India. Parliament. Committee on Public Undertakings. The Kerala Premo Pipe Factory, Ltd., Trivandrum: Department of Public Health & Engineering, Government of Kerala. New Delhi: Lok Sabha Secretariat, 1966.
MLA-referens (8:e uppl.)India. Parliament. Committee on Public Undertakings. The Kerala Premo Pipe Factory, Ltd., Trivandrum: Department of Public Health & Engineering, Government of Kerala. Lok Sabha Secretariat, 1966.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.