Ripper, W. (1912). Steam-engine theory and practice (6a ed.). Longmans, Green & Co..
Cita Chicago Style (17a ed.)Ripper, William. Steam-engine Theory and Practice. 6a ed. London: Longmans, Green & Co., 1912.
Cita MLA (8a ed.)Ripper, William. Steam-engine Theory and Practice. 6a ed. Longmans, Green & Co., 1912.
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