Pärgmäe, P., Martins, N., Rodríguez, D., Christopoulos, P., & Werner, H. (2011). European Working Time Directive: Implementation across Europe and consequences upon training in obstetrics and gynaecology. Universa Press.

Pärgmäe, P., N. Martins, D. Rodríguez, P. Christopoulos, ja H.M.J Werner. European Working Time Directive: Implementation Across Europe and Consequences Upon Training in Obstetrics and Gynaecology. Universa Press, 2011.

Pärgmäe, P., et al. European Working Time Directive: Implementation Across Europe and Consequences Upon Training in Obstetrics and Gynaecology. Universa Press, 2011.