APA-ийн эшлэл(7 дахь хэвлэлт)

Krishnamoorthy Bala. (2017). Environmental Management (3rd ed.). PHI Learning Pvt. Ltd.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Krishnamoorthy Bala. Environmental Management. 3rd ed. New Delhi: PHI Learning Pvt. Ltd, 2017.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Krishnamoorthy Bala. Environmental Management. 3rd ed. PHI Learning Pvt. Ltd, 2017.