Joll, J. (1974). The second international, 1889-1914 (Revised and extended second edition.). London: Routledge & Kegan Paul.
Lua i Stíl Chicago (17ú heag.)Joll, James. The Second International, 1889-1914. Revised and extended second edition. London: Routledge & Kegan Paul, 1974.
Lua MLA (8ú heag.)Joll, James. The Second International, 1889-1914. Revised and extended second edition. London: Routledge & Kegan Paul, 1974.
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