Roeder, R. (1937). Catherine de' Medici and the lost revolution. Harrap.
Lua i Stíl Chicago (17ú heag.)Roeder, Ralph. Catherine De' Medici and the Lost Revolution. London: Harrap, 1937.
Lua MLA (8ú heag.)Roeder, Ralph. Catherine De' Medici and the Lost Revolution. Harrap, 1937.
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