Não informado. Publications of the Earth Physics Branch. Department of Energy, Mines and Resources.
Citação do estilo Chicago (17ª ed.)Não informado. Publications of the Earth Physics Branch. Ottawa: Department of Energy, Mines and Resources.
Citação MLA (8ª ed.)Não informado. Publications of the Earth Physics Branch. Department of Energy, Mines and Resources.
警告：这些引文格式不一定是100％准确.