Savage, N. P., & Savage, N. P. (1981). Railroad classification yard technology manual. Washington: Oficina of Research and Development Federal Railroad Transportation US, Departamento.
Chicago Style CitationSavage, Neal P., and Neal P. Savage. Railroad Classification Yard Technology Manual. Washington: Oficina of Research and Development Federal Railroad Transportation US, Departamento, 1981.
MLA CitationSavage, Neal P., and Neal P. Savage. Railroad Classification Yard Technology Manual. Washington: Oficina of Research and Development Federal Railroad Transportation US, Departamento, 1981.
Warning: These citations may not always be 100% accurate.