Não informado. (1951). Community development bulletin. University of London, Institute of Education, Colonial Department.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Community Development Bulletin. London: University of London, Institute of Education, Colonial Department, 1951.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Community Development Bulletin. University of London, Institute of Education, Colonial Department, 1951.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.