1. Australia's Future Tax System 2010 Final Report to the Treasurer December 2009
2. Barnett , C. 2010 Henry Tax Review Statement by the Hon Colin Barnett MLA Premier WA 2 May 2010 http://www.premier.wa.gov.au/Ministers/Colin-Barnett/Pages/Video.aspx
3. Mineral leasing policy: Competitive bidding and the Resource Rent Tax given various responses to risk;Emerson;Economic Record,1984
4. Emerson , C. Lloyd , P. J. 1981 Improving mineral taxation policy in Australia