Prasad, S. N. (1972). Operation Polo: The police action against Hyderabad, 1948. Historical Section, Ministry of Defence, Govt. of India; distributors: Manager of Publications, Govt. of India, Delhi.
Chicago-viite (17. p.)Prasad, S. N. Operation Polo: The Police Action Against Hyderabad, 1948. New Delhi]: Historical Section, Ministry of Defence, Govt. of India; distributors: Manager of Publications, Govt. of India, Delhi, 1972.
MLA-viite (8. p.)Prasad, S. N. Operation Polo: The Police Action Against Hyderabad, 1948. Historical Section, Ministry of Defence, Govt. of India; distributors: Manager of Publications, Govt. of India, Delhi, 1972.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.