APA (7th ed.) Zitazioa

Pedersen, S. (2015). The Guardians: The league of nations and the crisis of empire. Univ., pr..

Chicago Style (17th ed.) Zitazioa

Pedersen, Susan. The Guardians: The League of Nations and the Crisis of Empire. Oxford: Univ., pr., 2015.

MLA (9th ed.) Zitazioa

Pedersen, Susan. The Guardians: The League of Nations and the Crisis of Empire. Univ., pr., 2015.