RAO, V. (2012). TEXTBOOK OF ENVIRONMENTAL ENGINEERING. PHI.
芝加哥风格引文RAO, V. TEXTBOOK OF ENVIRONMENTAL ENGINEERING. N DELHI: PHI, 2012.
MLA引文RAO, V. TEXTBOOK OF ENVIRONMENTAL ENGINEERING. PHI, 2012.
警告：这些引文格式不一定是100％准确.
APA引文