APA-referens (7:e uppl.)
Youngs, R. (2014). The uncertain legacy of crisis: European foreign policy faces the future. Carnegie Endowment for International Peace.
Chicago-referens (17:e uppl.)
Youngs, Richard. The Uncertain Legacy of Crisis: European Foreign Policy Faces the Future. Washington, District of Columbia: Carnegie Endowment for International Peace, 2014.
MLA-referens (9:e uppl.)
Youngs, Richard. The Uncertain Legacy of Crisis: European Foreign Policy Faces the Future. Carnegie Endowment for International Peace, 2014.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.