SAPRU R K. (1990). ENVIRONMENT PLANNING AND MANAGEMENT IN INDIA VOL - I. ASHGATE PUBLICATION.
Chicago Style aipamenaSAPRU R K. ENVIRONMENT PLANNING AND MANAGEMENT IN INDIA VOL - I. NEW DELHI: ASHGATE PUBLICATION, 1990.
MLA aipamenaSAPRU R K. ENVIRONMENT PLANNING AND MANAGEMENT IN INDIA VOL - I. ASHGATE PUBLICATION, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.