Gaya APA

Jr., W, C, O., Opello, K, A. (2009). European politics : the making of democratic states . Colorado: Lynne Rienner Publishers.

Gaya MLA

Jr., Walter, C., Opello,., Opello, Katherine, A.R.. "European politics : the making of democratic states". Colorado: Lynne Rienner Publishers, 2009. Text.