Lee, S. (2013). The Dictionary of National Biography: Twenthieth Century: Ed. by Sidney Lee (7. Aufl.). Oxford Univ. Press.
Lua i Stíl Chicago (17ú heag.)Lee, Sidney. The Dictionary of National Biography: Twenthieth Century: Ed. by Sidney Lee. 7. Aufl. Oxford: Oxford Univ. Press, 2013.
Lua MLA (8ú heag.)Lee, Sidney. The Dictionary of National Biography: Twenthieth Century: Ed. by Sidney Lee. 7. Aufl. Oxford Univ. Press, 2013.
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