Kirpal, P. (1973). Education. Publications Division, Ministry of Information and Broadcasting, Govt. of India.
Chicago-referens (17:e uppl.)Kirpal, Prem. Education. New Delhi: Publications Division, Ministry of Information and Broadcasting, Govt. of India, 1973.
MLA-referens (8:e uppl.)Kirpal, Prem. Education. Publications Division, Ministry of Information and Broadcasting, Govt. of India, 1973.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.