Shingi, P. M., Wadwalkar, S., & Gurinder Kaur. (1982). Management of agricultural extension: Training and visit system in Rajasthan. Centre for Management in Agriculture, India Institute of Management.
Lua i Stíl Chicago (17ú heag.)Shingi, Prakash M., Sanjay Wadwalkar, agus Gurinder Kaur. Management of Agricultural Extension: Training and Visit System in Rajasthan. Ahmedabad: Centre for Management in Agriculture, India Institute of Management, 1982.
Lua MLA (8ú heag.)Shingi, Prakash M., et al. Management of Agricultural Extension: Training and Visit System in Rajasthan. Centre for Management in Agriculture, India Institute of Management, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.