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.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रIndian National Trade Union Congress और 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.
एमएलए (8वां संस्करण) प्रशस्ति पत्रIndian National Trade Union Congress और 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.