Citazione Stile APA (7a Edizione)

Birnie, P. W., & Boyle, A. E. (2002). International law and the environment (2a. ed.). Oxford University.

Citazione stile Chigago Style (17a edizione)

Birnie, Patricia W., e Alan E. Boyle. International Law and the Environment. 2a. ed. Nueva York: Oxford University, 2002.

Citatione MLA (9a ed.)

Birnie, Patricia W., e Alan E. Boyle. International Law and the Environment. 2a. ed. Oxford University, 2002.