APA引文

Krishnamoorthy Bala. (2017). Environmental Management (3rd.). PHI.

芝加哥风格引文

Krishnamoorthy Bala. Environmental Management. 3rd. Delhi: PHI, 2017.

MLA引文

Krishnamoorthy Bala. Environmental Management. 3rd. PHI, 2017.

警告：这些引文格式不一定是100％准确.