Não informado. (1925). Annales de l' economie collective. International Centre of Research and Information on Public and Cooperative Economy.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annales De L' Economie Collective. Liège, Belgica: International Centre of Research and Information on Public and Cooperative Economy, 1925.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annales De L' Economie Collective. International Centre of Research and Information on Public and Cooperative Economy, 1925.
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