Leary, R. J., & Kusler, D. J. (1975). Capital and labor requirements for iron ore mining and beneficiating. U.S. Dept. of the Interior, Bureau of Mines.
Citazione stile Chigago Style (17a edizione)Leary, Richard J., e David J. Kusler. Capital and Labor Requirements for Iron Ore Mining and Beneficiating. [Washington]: U.S. Dept. of the Interior, Bureau of Mines, 1975.
Citatione MLA (9a ed.)Leary, Richard J., e David J. Kusler. Capital and Labor Requirements for Iron Ore Mining and Beneficiating. U.S. Dept. of the Interior, Bureau of Mines, 1975.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.