HARTCHER PETER. (2006). BUBBLE MAN: ALAN GREENSPAN & THE MISSING 7 TRILLION DOLLARS. W. W. NORTHEN & COMPANY.
Lua i Stíl Chicago (17ú heag.)HARTCHER PETER. BUBBLE MAN: ALAN GREENSPAN & THE MISSING 7 TRILLION DOLLARS. NEW YORK: W. W. NORTHEN & COMPANY, 2006.
Lua MLA (9ú heag.)HARTCHER PETER. BUBBLE MAN: ALAN GREENSPAN & THE MISSING 7 TRILLION DOLLARS. W. W. NORTHEN & COMPANY, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.