National Council of Applied Economic Research. (1961). Techno-economic survey of Tripura. National Council of Applied Economic Research.
Cita Chicago (17th ed.)National Council of Applied Economic Research. Techno-economic Survey of Tripura. New Delhi: National Council of Applied Economic Research, 1961.
Cita MLA (9th ed.)National Council of Applied Economic Research. Techno-economic Survey of Tripura. National Council of Applied Economic Research, 1961.
Atenció: Aquestes cites poden no estar 100% correctes.