Não informado. (1944). Brazilian bulletin. Brazilian Government Trade Bureau, Ministry of Labour, Industry and Commerce.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Brazilian Bulletin. New York: Brazilian Government Trade Bureau, Ministry of Labour, Industry and Commerce, 1944.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Brazilian Bulletin. Brazilian Government Trade Bureau, Ministry of Labour, Industry and Commerce, 1944.
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