Seetharam. Institute of Water Policy Staff Papers 2011. NUS Press Pte Ltd.
芝加哥风格引文Seetharam. Institute of Water Policy Staff Papers 2011. NUS Press Pte Ltd.
MLA引文Seetharam. Institute of Water Policy Staff Papers 2011. NUS Press Pte Ltd.
警告：这些引文格式不一定是100％准确.