Trewman, H. F. (1920). Electrification of railways. Pitman.
Čikaški stil citiranja (17. izdanje)Trewman, Harry Fredrick. Electrification of Railways. London: Pitman, 1920.
MLA način citiranja (8. izdanje)Trewman, Harry Fredrick. Electrification of Railways. Pitman, 1920.
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