References
- Chartered Institute of Purchasing & Supply . 2006 . Purchase Cards: The CIPS View, and What the Buyer Needs to Know See http://cipsintelligence.cips.org
- Green , P. 2010 . Efficiency Review , London : Cabinet Office .
- Murray , J. G. 2011 . Green's efficiency? . Public Money & Management , 31 ( 1 ) : 9 – 19 .
- Public Accounts Committee . 2012 . The Government Procurement Card , London : The Stationery Office . HC 128