Cita APA

Sands, P. (2003). Principles of international environmental law (2nd ed.). Cambridge University Press.

Citación estilo Chicago

Sands, Philippe. Principles of International Environmental Law. 2nd ed. Cambridge, Eng: Cambridge University Press, 2003.

Cita MLA

Sands, Philippe. Principles of International Environmental Law. 2nd ed. Cambridge University Press, 2003.