Lua APA (7ú heag.)
Van Beek, U., & Wnuk-Lipinski, E. (2012). Democracy under stress: The global crisis and beyond. Barbara Budrich Publishers.
Lua i Stíl Chicago (17ú heag.)
Van Beek, Ursula, agus Edmund Wnuk-Lipinski. Democracy Under Stress: The Global Crisis and Beyond. Opladen: Barbara Budrich Publishers, 2012.
Lua MLA (9ú heag.)
Van Beek, Ursula, agus Edmund Wnuk-Lipinski. Democracy Under Stress: The Global Crisis and Beyond. Barbara Budrich Publishers, 2012.
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