Truscott, S. J. (1947). Mine economics: Sampling, valuation, organization, administration (2nd ed.). Mining Pub.
Lua i Stíl Chicago (17ú heag.)Truscott, Samuel John. Mine Economics: Sampling, Valuation, Organization, Administration. 2nd ed. London: Mining Pub, 1947.
Lua MLA (9ú heag.)Truscott, Samuel John. Mine Economics: Sampling, Valuation, Organization, Administration. 2nd ed. Mining Pub, 1947.
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