Narasaiah M.Lakshmi & Suresh K. (2011). Agricultural Production. Discovery Publishing House.
Lua i Stíl Chicago (17ú heag.)Narasaiah M.Lakshmi agus Suresh K. Agricultural Production. New Delhi: Discovery Publishing House, 2011.
Lua MLA (9ú heag.)Narasaiah M.Lakshmi agus Suresh K. Agricultural Production. Discovery Publishing House, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.