8Protection Against Unfair Dismissal Act (2001) , § 1.
9Blanpain, Bison - Rapp, Corbett, Josephs, and Zimmer, The Global Workplace : International and Comparative Employment Law - Cases and Materials, Cambridge University Press, 2007, p. 400.
10Stefen Lingemann, Robert yon Steinau - Steinruck and Anja Mengel, Employment and Labor Law in Germany, Verlag C. H. Beck, 2003, p. 28.