Dyfyniad APA
Essential of bridge engineering / Victor, D. Johnson: Oxford & IBH 3rd ed (3rd ed.).
Dyfyniad Arddull Chicago
Essential of Bridge Engineering / Victor, D. Johnson: Oxford & IBH 3rd Ed. 3rd ed.
Dyfyniad MLA
Essential of Bridge Engineering / Victor, D. Johnson: Oxford & IBH 3rd Ed. 3rd ed.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.