Krouwel, A. (2012). Party transformations in European democracies. State University of New York Press.
Lua i Stíl Chicago (17ú heag.)Krouwel, André. Party Transformations in European Democracies. Albany: State University of New York Press, 2012.
Lua MLA (9ú heag.)Krouwel, André. Party Transformations in European Democracies. State University of New York Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.