Singh, K. (2001). Environmental planning for rural development. Sarup & sons.
Lua i Stíl Chicago (17ú heag.)Singh, K. Environmental Planning for Rural Development. New Delhi: Sarup & sons, 2001.
Lua MLA (9ú heag.)Singh, K. Environmental Planning for Rural Development. Sarup & sons, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.