Lua APA (7ú heag.)

British Socialist Party. (1918). The call: An Organ of International Socialism. London: Executive Committee of the British Socialist Party.

Lua i Stíl Chicago (17ú heag.)

British Socialist Party. The Call: An Organ of International Socialism. London: Executive Committee of the British Socialist Party, 1918.

Lua MLA (8ú heag.)

British Socialist Party. The Call: An Organ of International Socialism. London: Executive Committee of the British Socialist Party, 1918.

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