1. Audit Commission 2007 Crossing borders: responding to the local challenges of migrant workers Audit Commission http://www.audit-commission.gov.uk/nationalstudies/localgov/crossingborders/Pages/Default.aspx
2. Australian Bureau of Statistics 2006 Improved methods for estimating net overseas migration-Australia, 2006 Australian Bureau of Statistics http://www.abs.gov.au/AUSSTATS/abs@.nsf/DetailsPage/3107.0.55.0032006?OpenDocument
3. Migration from Central and Eastern Europe: local geographies;Bauere;Popln Trends,2007
4. General Register Office Scotland 2007 International migration to Scotland Population and Migration Statistics Committee, General Register Office Scotland, Edinburgh http://www.gro-scotland.gov.uk/statistics/user-consultation-groups-seminars/pams/pams-26-june-2007.html