Opie, R. (2002). The Edwardian scrapbook. Pi Global.
Lua i Stíl Chicago (17ú heag.)Opie, Robert. The Edwardian Scrapbook. London: Pi Global, 2002.
Lua MLA (9ú heag.)Opie, Robert. The Edwardian Scrapbook. Pi Global, 2002.
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