APA-viite

Dupuy, P., & Viñuales, J. E. (2015). International environmental law. University Press.

Chicago-tyylinen lähdeviittaus

Dupuy, Pierre-Marie, ja Jorge E. Viñuales. International Environmental Law. Cambridge: University Press, 2015.

MLA-viite

Dupuy, Pierre-Marie, ja Jorge E. Viñuales. International Environmental Law. University Press, 2015.