Citazione APA

Youngs, G. (1999). International relations in a global age: A conceptual challenge. Polity Press ; Blackwell Publishers.

Stile di citazione Chicago

Youngs, Gillian. International Relations in a Global Age: A Conceptual Challenge. Cambridge, UK : Malden, MA: Polity Press ; Blackwell Publishers, 1999.

Citazione MLA

Youngs, Gillian. International Relations in a Global Age: A Conceptual Challenge. Polity Press ; Blackwell Publishers, 1999.