Rajagopalan, T. (1969). The directory of scientific research: Institutions in India, 1969. Insdoc.
Cita Chicago (17th ed.)Rajagopalan, T.S. The Directory of Scientific Research: Institutions in India, 1969. Delhi: Insdoc, 1969.
Cita MLA (9th ed.)Rajagopalan, T.S. The Directory of Scientific Research: Institutions in India, 1969. Insdoc, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.