APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.