Não informado. (2020). Press Bulletin. State of California, Department of Natural Resources, Division of Mines.
Style de citation Chicago (17e éd.)Não informado. Press Bulletin. San Francisco, Calif: State of California, Department of Natural Resources, Division of Mines, 2020.
Style de citation MLA (8e éd.)Não informado. Press Bulletin. State of California, Department of Natural Resources, Division of Mines, 2020.
Attention : ces citations peuvent ne pas être correctes à 100%.