University of Sussex. Centre for Contemporary European Studies. Schools Unit & Commission of the European Communities. London Information Office. (1978). Exploring Europe. Schools Unit, Centre for Contemporary European Studies, University of Sussex with assistance from the Commission of the European Communities (London Office).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)University of Sussex. Centre for Contemporary European Studies. Schools Unit و Commission of the European Communities. London Information Office. Exploring Europe. [Brighton], Sussex: Schools Unit, Centre for Contemporary European Studies, University of Sussex with assistance from the Commission of the European Communities (London Office), 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)University of Sussex. Centre for Contemporary European Studies. Schools Unit و Commission of the European Communities. London Information Office. Exploring Europe. Schools Unit, Centre for Contemporary European Studies, University of Sussex with assistance from the Commission of the European Communities (London Office), 1978.