National Council of Applied Economic Research. (1962). Techno-economic survey of Kerala. National Council of Applied Economic Research.
Chicago Stili AlıntıNational Council of Applied Economic Research. Techno-economic Survey of Kerala. New Delhi: National Council of Applied Economic Research, 1962.
MLA AlıntıNational Council of Applied Economic Research. Techno-economic Survey of Kerala. National Council of Applied Economic Research, 1962.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..