RAO, C. S. (1991). ENVIROMENTAL POLLUTION CONTROL ENGG. NEW AGE (I) LTD.
芝加哥风格引文RAO, C S. ENVIROMENTAL POLLUTION CONTROL ENGG. NEW DELHI: NEW AGE (I) LTD, 1991.
MLA引文RAO, C S. ENVIROMENTAL POLLUTION CONTROL ENGG. NEW AGE (I) LTD, 1991.
警告：这些引文格式不一定是100％准确.