See Boll, C.; Leppin, J.; Rossen, A.; Wolf, A. (2016), "Magnitude and Impact Factors of the Gender Pay Gap in EU Countries, Report prepared for and financed by the European Commission - Directorate-General for Justice and Consumers.
Ks. Boll, C., Leppin, J., Rossen, A. ja Wolf, A. (2016), "Magnitude and Impact Factors of the Gender Pay Gap in EU Countries", Euroopan komissiota varten laadittu ja sen rahoittama raportti, oikeus- ja kuluttaja-asioiden pääosasto.