Ng, W. S. (2010). Mechanism of micro hydro electric system [electronic resource].
芝加哥风格引文Ng, Wee Sern. Mechanism of Micro Hydro Electric System [electronic Resource]. 2010.
MLA引文Ng, Wee Sern. Mechanism of Micro Hydro Electric System [electronic Resource]. 2010.
警告：这些引文格式不一定是100％准确.