Warner, H. E. (1905). The ethics of force. Pub. for the International union.
Lua i Stíl Chicago (17ú heag.)Warner, H. E. The Ethics of Force. Boston: Pub. for the International union, 1905.
Lua MLA (8ú heag.)Warner, H. E. The Ethics of Force. Pub. for the International union, 1905.
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