APA

Obinger H., Leibfried S. & Castles F. G. (2005). Federalism and the welfare state. Cambridge: Cambridge University Press.

Chicago

Obinger Herbert, Leibfried Stephan and Castles Francis G. 2005. Federalism and the welfare state. Cambridge: Cambridge University Press.

Harvard

Obinger H., Leibfried S. and Castles F. G. (2005). Federalism and the welfare state. Cambridge: Cambridge University Press.

MLA

Obinger Herbert, Leibfried Stephan and Castles Francis G. Federalism and the welfare state. Cambridge: Cambridge University Press. 2005.