スティーブ・フォーブス (出版者)
Forbes, Steve (1999). The New Birth of Freedom: Vision for America. Washington, DC: Regnery Publishing. p. 204. ISBN 978-0895263209. OCLC 475198964. https://archive.org/details/newbirthoffreedo00forb/page/204
Forbes, Steve (2005). Flat Tax Revolution: Using a Postcard to Abolish the IRS. Washington, DC: Regnery Publishing. p. 216. ISBN 978-0895260406. OCLC 60558651. https://archive.org/details/flattaxrevolutio00forb/page/216
Forbes, Steve (2012).