1. Barnard C. (2012). A proportionate response to proportionality in the field of collective action. ELR, 37(2): 117 ss.
2. Bercusson B. (2009). European Labour Law. 2nd Edition. Cambridge: Cambridge University Press.
3. Bruun N., Lörcher K., Schömann I., a cura di (2012). The economic and financial crisis and collective labour law in Europe. Oxford-Portland: Hart Publishing.
4. Davies A.C.L. (2012). EU Labour Law. Cheltenham: Elgar.
5. Dorssemont P. (2020). La non promozione del dialogo sociale europeo: osservazioni sul caso EPSU. LD: 519 ss.