Indian National Trade Union Congress & Trivedi, H. N. (1977). Thirty years of the Indian National Trade Union Congress, 1947 to 1977: Review of the services rendered to Indian workers by the INTUC during three decades since its foundation on May 3, 1947. INTUC.
Lua i Stíl Chicago (17ú heag.)Indian National Trade Union Congress agus H. N. Trivedi. Thirty Years of the Indian National Trade Union Congress, 1947 to 1977: Review of the Services Rendered to Indian Workers by the INTUC During Three Decades Since Its Foundation on May 3, 1947. Bombay: INTUC, 1977.
Lua MLA (8ú heag.)Indian National Trade Union Congress agus H. N. Trivedi. Thirty Years of the Indian National Trade Union Congress, 1947 to 1977: Review of the Services Rendered to Indian Workers by the INTUC During Three Decades Since Its Foundation on May 3, 1947. INTUC, 1977.