References ^ (2012). Toward Fundamental Tax Reform ISBN 9780844742342 (revised Dec 2013)^ Lee Lane (2012). 9780844742342, American Enterprise Institute. Wiki. ISBN 9780844742342 (revised Nov 2012)^ Toward Fundamental Tax Reform, Aei Press. Amazon. ISBN 9780844742342 (revised Feb 2015)^ Toward Fundamental Tax Reform Indigo. ISBN 9780844742342 (revised Jun 2023)