Kent, W. (1906). Steam-boiler economy: A treatise on the theory & practice of fuel economy in the operation of steam-boilers. Wiley.
Lua i Stíl Chicago (17ú heag.)Kent, William. Steam-boiler Economy: A Treatise on the Theory & Practice of Fuel Economy in the Operation of Steam-boilers. New York: Wiley, 1906.
Lua MLA (8ú heag.)Kent, William. Steam-boiler Economy: A Treatise on the Theory & Practice of Fuel Economy in the Operation of Steam-boilers. Wiley, 1906.
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