Expert Group on Household Income Statistics (The Canberra Group) 2001, Final Report and Recommendations, The Group, Ottawa.
International Labour Organisation 2004, Seventeenth International Conference of Labour Statisticians: Household Income and Expenditure Statistics, Resolution 1, International Labour Organisation, Geneva.
Inter-Secretariat Working Group on National Accounts 2008, System of National Accounts 2008, United Nations Statistical Division <http://unstats.un.org/unsd> (see Programme of work, Economic Statistics, National Accounts).