SHARMA V. P. (1990). TRANSPORTRATION ENGINEERING. NEW VRINDA PUB. H.
Dyfyniad Arddull ChicagoSHARMA V. P. TRANSPORTRATION ENGINEERING. JALGAON: NEW VRINDA PUB. H, 1990.
Dyfyniad MLASHARMA V. P. TRANSPORTRATION ENGINEERING. NEW VRINDA PUB. H, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.