Colardyn, D., Bjornavold, J., & European Commission. (2005). The learning continuity: European inventory on validating non-formal and informal learning : national policies and practices in validating non-formal and informal learning. Luxembourg: Office of Official Publications for the European Communities.
Παραπομπή Chicago StyleColardyn, Danielle., Jens Bjornavold, and European Commission. The Learning Continuity: European Inventory On Validating Non-formal and Informal Learning : National Policies and Practices in Validating Non-formal and Informal Learning. Luxembourg: Office of Official Publications for the European Communities, 2005.
Παραπομπή MLAColardyn, Danielle., Jens Bjornavold, and European Commission. The Learning Continuity: European Inventory On Validating Non-formal and Informal Learning : National Policies and Practices in Validating Non-formal and Informal Learning. Luxembourg: Office of Official Publications for the European Communities, 2005.