Hoover, H. (1909). Principles of mining: Valuation, organization and administration : copper, gold, lead, silver, tin and zinc (First ed.). McGraw-Hill ; Hill Publishing Co..
Citação do estilo Chicago (17ª ed.)Hoover, Herbert. Principles of Mining: Valuation, Organization and Administration : Copper, Gold, Lead, Silver, Tin and Zinc. First ed. New York : London: McGraw-Hill ; Hill Publishing Co., 1909.
Citação MLA (8ª ed.)Hoover, Herbert. Principles of Mining: Valuation, Organization and Administration : Copper, Gold, Lead, Silver, Tin and Zinc. First ed. McGraw-Hill ; Hill Publishing Co., 1909.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.