Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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