Não informado. (1963). Report of the State Geologist. Department of Conservation, Division of Mines and Geology.
Citação do estilo Chicago (17ª ed.)Não informado. Report of the State Geologist. Sacramento, Calif: Department of Conservation, Division of Mines and Geology, 1963.
Citação MLA (8ª ed.)Não informado. Report of the State Geologist. Department of Conservation, Division of Mines and Geology, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.