RAILROAD TRACK, FRITZFASTENRATH [ed], & GRANT, W. [. (1981). Railroad track theory and practice. Frederick Ungar.
Lua i Stíl Chicago (17ú heag.)RAILROAD TRACK, FRITZFASTENRATH [ed], agus Walter [pnj] GRANT. Railroad Track Theory and Practice. New York: Frederick Ungar, 1981.
Lua MLA (9ú heag.)RAILROAD TRACK, et al. Railroad Track Theory and Practice. Frederick Ungar, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.