(1878). [Vol. 4]: The Steam-Engine. Boulton and Watt; Lives of the Engineers. 1878.
Čikaški stil citiranja (17. izdanje)[Vol. 4]: The Steam-Engine. Boulton and Watt; Lives of the Engineers. 1878, 1878.
MLA način citiranja (9. izdanje)[Vol. 4]: The Steam-Engine. Boulton and Watt; Lives of the Engineers. 1878, 1878.
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