Hankey, M. P. A. H. (1950). Politics, trials and errors. Pen-in-Hand.
Lua i Stíl Chicago (17ú heag.)Hankey, Maurice Pascal Alers Hankey. Politics, Trials and Errors. Oxford: Pen-in-Hand, 1950.
Lua MLA (8ú heag.)Hankey, Maurice Pascal Alers Hankey. Politics, Trials and Errors. Pen-in-Hand, 1950.
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