Luzak, J. A. (2015). O implementacji dyrektywy 2011/83/UE o prawach konsumentów w Holandii. In D. Karczewska, M. Namyslowska, & T. Skoczny (Eds.), Ustawa o prawach konsumenta (pp. 38-56). (Zarys Prawa). C.H. Beck.
van Hoek, A. (2015). Private international law rules for transnational employment: Reflections from the European Union. In A. Blackett, & A. Trebilcock (Eds.), Research handbook on transnational labour law (pp. 438-454). (Research handbooks in international law). Edward Elgar. https://doi.org/10.4337/9781782549796.00047
Bartl, M., & Leone, C. (2015). Minimum harmonisation after Alemo-Herron: the Janus face of the EU fundamental rights review. European Constitutional Law Review, 11(1), 140-154. https://doi.org/10.1017/S1574019615000097