Dawson, W. H. (1917). Problems of the peace. George Allen & Unwin.
Lua i Stíl Chicago (17ú heag.)Dawson, William Harbutt. Problems of the Peace. London: George Allen & Unwin, 1917.
Lua MLA (8ú heag.)Dawson, William Harbutt. Problems of the Peace. George Allen & Unwin, 1917.
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