Dyfyniad APA

RAILROAD TRACK, FRITZFASTENRATH [ed], & GRANT, W. [. (1981). Railroad track theory and practice. Frederick Ungar.

Dyfyniad Arddull Chicago

RAILROAD TRACK, FRITZFASTENRATH [ed], and Walter [pnj] GRANT. Railroad Track Theory and Practice. New York: Frederick Ungar, 1981.

Dyfyniad MLA

RAILROAD TRACK, et al. Railroad Track Theory and Practice. Frederick Ungar, 1981.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.