Joll, J. (1974). The second international, 1889-1914 (Revised and extended second edition.). London: Routledge & Kegan Paul.
Cita Chicago (17th ed.)Joll, James. The Second International, 1889-1914. Revised and extended second edition. London: Routledge & Kegan Paul, 1974.
Cita MLA (8th ed.)Joll, James. The Second International, 1889-1914. Revised and extended second edition. London: Routledge & Kegan Paul, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.