Geisst, C. R. Wheels of fortune: The history of speculation from scandal to respectability.
Lua i Stíl Chicago (17ú heag.)Geisst, Charles R. Wheels of Fortune: The History of Speculation from Scandal to Respectability.
Lua MLA (8ú heag.)Geisst, Charles R. Wheels of Fortune: The History of Speculation from Scandal to Respectability.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.