Chopra, H. (1999). Library information technology in modern era: Libraries and librarians in new millenium. Commonwealth.
芝加哥风格引文Chopra, H.S. Library Information Technology in Modern Era: Libraries and Librarians in New Millenium. New Delhi: Commonwealth, 1999.
MLA引文Chopra, H.S. Library Information Technology in Modern Era: Libraries and Librarians in New Millenium. Commonwealth, 1999.
警告：这些引文格式不一定是100％准确.