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Lua i Stíl Chicago (17ú heag.)Horan, James David. The Pinkertons: The Detective Dynasty That Made History. [S.l: s.n.], 1967.
Lua MLA (9ú heag.)Horan, James David. The Pinkertons: The Detective Dynasty That Made History. s.n.], 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.