CHHATWAL G.R & MEHRA M.C. (1999). ENVIRONMENTAL ANALYSIS ( AIR, WATER AND SOIL). ANMOL PUBLICATIONS.
Chicago Edition CitationCHHATWAL G.R and MEHRA M.C. ENVIRONMENTAL ANALYSIS ( AIR, WATER AND SOIL). NEW DELHI: ANMOL PUBLICATIONS, 1999.
MLA Edition CitationCHHATWAL G.R and MEHRA M.C. ENVIRONMENTAL ANALYSIS ( AIR, WATER AND SOIL). ANMOL PUBLICATIONS, 1999.
Warning: These citations may not always be 100% accurate.