(1961). The tasks of local authorities in developments areas. Rural development: France and Ghana. Industrial development. Nijhoff for the International Union of Local Authorities.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)The Tasks of Local Authorities in Developments Areas. Rural Development: France and Ghana. Industrial Development. The Hague: Nijhoff for the International Union of Local Authorities, 1961.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)The Tasks of Local Authorities in Developments Areas. Rural Development: France and Ghana. Industrial Development. Nijhoff for the International Union of Local Authorities, 1961.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.