Krishnamoorthy Bala. (2017). Environmental Management (3rd.). PHI Learning Pvt. Ltd.
芝加哥风格引文Krishnamoorthy Bala. Environmental Management. 3rd. PHI Learning Pvt. Ltd, 2017.
MLA引文Krishnamoorthy Bala. Environmental Management. 3rd. PHI Learning Pvt. Ltd, 2017.
警告：这些引文格式不一定是100％准确.