Renner, E. (2012). Castle of shadows. Houghton Mifflin.
Lua i Stíl Chicago (17ú heag.)Renner, Ellen. Castle of Shadows. Boston: Houghton Mifflin, 2012.
Lua MLA (8ú heag.)Renner, Ellen. Castle of Shadows. Houghton Mifflin, 2012.
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