Kerala (India). Bureau of Economics and Statistics, Viswanatha Pillai, G., & Sreedevi, P. L. (1967). Evaluation of some major irrigation projects in Kerala. Printed by the S.G.P. at the Govt. Press.
Lua i Stíl Chicago (17ú heag.)Kerala (India). Bureau of Economics and Statistics, G. Viswanatha Pillai, agus P. L. Sreedevi. Evaluation of Some Major Irrigation Projects in Kerala. Trivandrum: Printed by the S.G.P. at the Govt. Press, 1967.
Lua MLA (8ú heag.)Kerala (India). Bureau of Economics and Statistics, et al. Evaluation of Some Major Irrigation Projects in Kerala. Printed by the S.G.P. at the Govt. Press, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.