Spies, S. B. (1977). Methods of barbarism?: Roberts and Kitchener and civilians in the Boer Republics, January 1900-May 1902. Human & Rousseau.
Lua i Stíl Chicago (17ú heag.)Spies, S. B. Methods of Barbarism?: Roberts and Kitchener and Civilians in the Boer Republics, January 1900-May 1902. Cape Town: Human & Rousseau, 1977.
Lua MLA (8ú heag.)Spies, S. B. Methods of Barbarism?: Roberts and Kitchener and Civilians in the Boer Republics, January 1900-May 1902. Human & Rousseau, 1977.
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