RAILROAD TRACK, FRITZFASTENRATH [ed], & GRANT, W. [. (1981). Railroad track theory and practice. Frederick Ungar.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRAILROAD TRACK, FRITZFASTENRATH [ed], और Walter [pnj] GRANT. Railroad Track Theory and Practice. New York: Frederick Ungar, 1981.
एमएलए (9वां संस्करण) प्रशस्ति पत्रRAILROAD TRACK, et al. Railroad Track Theory and Practice. Frederick Ungar, 1981.
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