HARTCHER PETER. (2006). BUBBLE MAN: ALAN GREENSPAN & THE MISSING 7 TRILLION DOLLARS. W. W. NORTHEN & COMPANY.
Chicago-viite (17. p.)HARTCHER PETER. BUBBLE MAN: ALAN GREENSPAN & THE MISSING 7 TRILLION DOLLARS. NEW YORK: W. W. NORTHEN & COMPANY, 2006.
MLA-viite (9. p.)HARTCHER PETER. BUBBLE MAN: ALAN GREENSPAN & THE MISSING 7 TRILLION DOLLARS. W. W. NORTHEN & COMPANY, 2006.
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