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Lua i Stíl Chicago (17ú heag.)Tripmacker, Wolfgang. Buchhandel in Potsdam 1945-1952. Leipzig, 2003.
Lua MLA (8ú heag.)Tripmacker, Wolfgang. Buchhandel in Potsdam 1945-1952. 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.