APA-referens (7:e uppl.)

Political and Economic Planning & Palmer, M. (1968). European unity: A survey of the European organisations ([Rev. ed.].). Political and Economic Planning, Allen & Unwin.

Chicago-referens (17:e uppl.)

Political and Economic Planning och Michael Palmer. European Unity: A Survey of the European Organisations. [Rev. ed.]. London: Political and Economic Planning, Allen & Unwin, 1968.

MLA-referens (9:e uppl.)

Political and Economic Planning och Michael Palmer. European Unity: A Survey of the European Organisations. [Rev. ed.]. Political and Economic Planning, Allen & Unwin, 1968.