APA (7th ed.) Zitazioa
Engström, V. (2012). Constructing the powers of international institutions. M. Nijhoff Publishers.
Chicago Style (17th ed.) Zitazioa
Engström, Viljam. Constructing the Powers of International Institutions. Leiden ; Boston: M. Nijhoff Publishers, 2012.
MLA (9th ed.) Zitazioa
Engström, Viljam. Constructing the Powers of International Institutions. M. Nijhoff Publishers, 2012.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.