Košík

Presidents, parties, and prime ministers : how the separation of powers affects party organization and behavior / David J. Samuels, Matthew S. Shugart . Cambridge : New York : Cambridge University Press, 2010 . xi, 295 s . ISBN 978-0-521-68968-7 (brož.). ISBN 978-0-521-86954-6 (váz.) .   [1, z toho volných 1]