Rajagopalan, C., & Jaspal Singh. (1971). Adoption of agricultural innovations: A sociological study of the Indo-German Project Mandi. National [Pub. House.
Lua i Stíl Chicago (17ú heag.)Rajagopalan, C., agus Jaspal Singh. Adoption of Agricultural Innovations: A Sociological Study of the Indo-German Project Mandi. Delhi: National [Pub. House, 1971.
Lua MLA (8ú heag.)Rajagopalan, C., agus Jaspal Singh. Adoption of Agricultural Innovations: A Sociological Study of the Indo-German Project Mandi. National [Pub. House, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.