Não informado. (1956). Geographical Paper. Department of Mines and Technical Surveys, Geographical Branch.
Style de citation Chicago (17e éd.)Não informado. Geographical Paper. Ottawa: Department of Mines and Technical Surveys, Geographical Branch, 1956.
Style de citation MLA (8e éd.)Não informado. Geographical Paper. Department of Mines and Technical Surveys, Geographical Branch, 1956.
Attention : ces citations peuvent ne pas être correctes à 100%.