Informe ETUI.El concepte de “treballador/a” al dret de la UE, status quo i canvis davant el sorgiment de noves formes d’ocupació.
https://www.etui.org/Publications2/Reports/The-concept-of-worker-in-EU-law-status-quo-and-potential-for-change
https://www.etui.org/Publications2/Reports/The-concept-of-worker-in-EU-law-status-quo-and-potential-for-change