Donald, R. (1925). A danger spot in Europe and its government by the League of Nations. Leonard Parsons.
Citazione stile Chigago Style (17a edizione)Donald, Robert. A Danger Spot in Europe and Its Government by the League of Nations. London: Leonard Parsons, 1925.
Citatione MLA (9a ed.)Donald, Robert. A Danger Spot in Europe and Its Government by the League of Nations. Leonard Parsons, 1925.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.