1DCSF & DIUS. World-class apprenticeships: Unlocking talent, building skills for all [R]. London: DCSF & DIUS, 2008.
2DfES & LSC. 21st century apprenticeships: End to end review of the delivery of Modern Apprenticeships [R]. London: DfES & LSC, 2005.
3Ryan, Paul. The institutional requirements of apprenticeship: evidence from smaller EU countries [J]. International Journal of Training and Development. 2000, vol. 4, no. 1: 42-65.
4Sharpe, Andrew & James Gibson. The apprenticeship system in Canada: Trends and issues [R]. Ottawa: CSLS, 2005: 27.