The encyclopedia of political thought. Volume VIII, Tim-Z / editor-in-chief Michael T. Gibbons ; associate editors Diana Coole, Elisabeth Ellis and Kennan Ferguson.  Chichester : Wiley Blackwell, 2015. xi, s. 3699-4186. ISBN 978-1-4051-9129-6- C 359.672/8
Umístění:321 - Politologie. Formy politické organizace, státu