Não informado. (1925). Annales de l' economie collective. International Centre of Research and Information on Public and Cooperative Economy.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Annales De L' Economie Collective. Liège, Belgica: International Centre of Research and Information on Public and Cooperative Economy, 1925.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Annales De L' Economie Collective. International Centre of Research and Information on Public and Cooperative Economy, 1925.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.