Geopolitics, History, and International Relations. Addleton Academic Publishers.
Citazione stile Chigago Style (17a edizione)Geopolitics, History, and International Relations. Addleton Academic Publishers.
Citatione MLA (9a ed.)Geopolitics, History, and International Relations. Addleton Academic Publishers.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.