Não informado. (1958). Information circular. Mines Branch, Department of Energy, Mines and Resources.
Style de citation Chicago (17e éd.)Não informado. Information Circular. Ottawa: Mines Branch, Department of Energy, Mines and Resources, 1958.
Style de citation MLA (8e éd.)Não informado. Information Circular. Mines Branch, Department of Energy, Mines and Resources, 1958.
Attention : ces citations peuvent ne pas être correctes à 100%.