Ewing, A. (1926). The steam-engine and other heat-engines (4th ed. rev. & enlarged.). University Press.
Lua i Stíl Chicago (17ú heag.)Ewing, Alfred. The Steam-engine and Other Heat-engines. 4th ed. rev. & enlarged. Cambridge, England: University Press, 1926.
Lua MLA (8ú heag.)Ewing, Alfred. The Steam-engine and Other Heat-engines. 4th ed. rev. & enlarged. University Press, 1926.
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