Não informado. (1951). Community development bulletin. University of London, Institute of Education, Colonial Department.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Community Development Bulletin. London: University of London, Institute of Education, Colonial Department, 1951.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Community Development Bulletin. University of London, Institute of Education, Colonial Department, 1951.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.