Purday, H. F. P. (1963). Diesel engine designing. Constable.
Dyfyniad Arddull ChicagoPurday, Herbert Frank Percy. Diesel Engine Designing. London: Constable, 1963.
Dyfyniad MLAPurday, Herbert Frank Percy. Diesel Engine Designing. Constable, 1963.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.