West, R. (1945). Psychology and world order. Penguin Books.
Lua i Stíl Chicago (17ú heag.)West, Ranyard. Psychology and World Order. Harmondsworth, Middlesex, England: Penguin Books, 1945.
Lua MLA (8ú heag.)West, Ranyard. Psychology and World Order. Penguin Books, 1945.
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