Παραπομπή APA

Ballabh, p. (2011). International environmental law. Cyber tech publications.

Παραπομπή Chicago Style

Ballabh, parikshit. International Environmental Law. New Delhi: Cyber tech publications, 2011.

Παραπομπή MLA

Ballabh, parikshit. International Environmental Law. Cyber tech publications, 2011.