APA

Tams Christian J,, . (2007). Enforcing obligations Erga Omnes in international law. Cambridge: Cambridge University Press.

Chicago

Tams Christian J,, . 2007. Enforcing obligations Erga Omnes in international law. Cambridge: Cambridge University Press.

Harvard

Tams Christian J,, . (2007). Enforcing obligations Erga Omnes in international law. Cambridge: Cambridge University Press.

MLA

Tams Christian J,, . Enforcing obligations Erga Omnes in international law. Cambridge: Cambridge University Press. 2007.