Sandhya Hari , M. R. (2004). Web-based e-Learning system science year one explore science and math / Sandhya Hari Mohan Ratti.
芝加哥风格引文Sandhya Hari , Mohan Ratti. Web-based E-Learning System Science Year One Explore Science and Math / Sandhya Hari Mohan Ratti. 2004.
MLA引文Sandhya Hari , Mohan Ratti. Web-based E-Learning System Science Year One Explore Science and Math / Sandhya Hari Mohan Ratti. 2004.
警告：这些引文格式不一定是100％准确.