APA সাইটেশন

Alexander Gillespie. (2014). International environmental law, policy and ethics (2.). Oxford university press.

শিকাগো স্টাইলে সাইটেশন

Alexander Gillespie. International Environmental Law, Policy and Ethics. 2. UK: Oxford university press, 2014.

এমএলএ সাইটেশন

Alexander Gillespie. International Environmental Law, Policy and Ethics. 2. Oxford university press, 2014.