European Commission., Chung, H., Muffels, R., Fouarge, D., & European Foundation for the improvement of living and working conditions. (2008). Flexibility and security over the life course. Denmark: European Foundation for the Improvement of Living and Working Conditions.

European Commission., Heejung Chung, Ruud Muffels, Didier Fouarge, and European Foundation for the improvement of living and working conditions. Flexibility and Security Over the Life Course. Denmark: European Foundation for the Improvement of Living and Working Conditions, 2008.

European Commission., et al. Flexibility and Security Over the Life Course. Denmark: European Foundation for the Improvement of Living and Working Conditions, 2008.