Matheson, E. (1910). The depreciation of factories, mines and industrial undertakings and their valuation (4th ed., rev. and enl.). E. & F.N. Spon.
Lua i Stíl Chicago (17ú heag.)Matheson, Ewing. The Depreciation of Factories, Mines and Industrial Undertakings and Their Valuation. 4th ed., rev. and enl. London, New York, Spon & Chamberlain: E. & F.N. Spon, 1910.
Lua MLA (8ú heag.)Matheson, Ewing. The Depreciation of Factories, Mines and Industrial Undertakings and Their Valuation. 4th ed., rev. and enl. E. & F.N. Spon, 1910.
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