SAPRU R K. (1990). ENVIRONMENT PLANNING AND MANAGEMENT IN INDIA VOL - I. ASHGATE PUBLICATION.
Lua i Stíl Chicago (17ú heag.)SAPRU R K. ENVIRONMENT PLANNING AND MANAGEMENT IN INDIA VOL - I. NEW DELHI: ASHGATE PUBLICATION, 1990.
Lua MLA (9ú heag.)SAPRU R K. ENVIRONMENT PLANNING AND MANAGEMENT IN INDIA VOL - I. ASHGATE PUBLICATION, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.