British Socialist Party. (1918). The call: An Organ of International Socialism. London: Executive Committee of the British Socialist Party.
Chicago-referens (17:e uppl.)British Socialist Party. The Call: An Organ of International Socialism. London: Executive Committee of the British Socialist Party, 1918.
MLA-referens (8:e uppl.)British Socialist Party. The Call: An Organ of International Socialism. London: Executive Committee of the British Socialist Party, 1918.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.