توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

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

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

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

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

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