Organisation for Economic Co-operation and Development. Development Centre. (1969). Multidisciplinary aspects of regional development: Annual meeting of directors of development training and research institutes, Montpellier, 7th - 12th September 1968. OCDE/OECD.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development. Development Centre. Multidisciplinary Aspects of Regional Development: Annual Meeting of Directors of Development Training and Research Institutes, Montpellier, 7th - 12th September 1968. Paris: OCDE/OECD, 1969.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development. Development Centre. Multidisciplinary Aspects of Regional Development: Annual Meeting of Directors of Development Training and Research Institutes, Montpellier, 7th - 12th September 1968. OCDE/OECD, 1969.