Não informado. (1964). Annals of Public and Co-operative Economy. International Centre of Research and Information on Public and Cooperative Economy.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Annals of Public and Co-operative Economy. Liège, Belgica: International Centre of Research and Information on Public and Cooperative Economy, 1964.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Annals of Public and Co-operative Economy. International Centre of Research and Information on Public and Cooperative Economy, 1964.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.