Callahan, K. J. (2010). Demonstration culture: European socialism and the Second International, 1889-1914. Kibworht: Troubador Publishing.
Cita Chicago (17th ed.)Callahan, Kevin J. Demonstration Culture: European Socialism and the Second International, 1889-1914. Kibworht: Troubador Publishing, 2010.
Cita MLA (8th ed.)Callahan, Kevin J. Demonstration Culture: European Socialism and the Second International, 1889-1914. Kibworht: Troubador Publishing, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.