SAPRU R K. (1990). ENVIRONMENT PLANNING AND MANAGEMENT IN INDIA VOL - I. ASHGATE PUBLICATION.
芝加哥风格引文SAPRU R K. ENVIRONMENT PLANNING AND MANAGEMENT IN INDIA VOL - I. NEW DELHI: ASHGATE PUBLICATION, 1990.
MLA引文SAPRU R K. ENVIRONMENT PLANNING AND MANAGEMENT IN INDIA VOL - I. ASHGATE PUBLICATION, 1990.
警告：这些引文格式不一定是100％准确.