Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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