Não informado. (1958). Information circular. Mines Branch, Department of Energy, Mines and Resources.
Chicago Style (17th ed.) CitationNão informado. Information Circular. Ottawa: Mines Branch, Department of Energy, Mines and Resources, 1958.
MLA (8th ed.) CitationNão informado. Information Circular. Mines Branch, Department of Energy, Mines and Resources, 1958.
Warning: These citations may not always be 100% accurate.