GHAN , P. (1985). ENGINEERING ECONOMICS. PUNE VIDYARATHI GRIHA PRAKASHAN.
Dyfyniad Arddull ChicagoGHAN , P.T. ENGINEERING ECONOMICS. PUNE: PUNE VIDYARATHI GRIHA PRAKASHAN, 1985.
Dyfyniad MLAGHAN , P.T. ENGINEERING ECONOMICS. PUNE VIDYARATHI GRIHA PRAKASHAN, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.