BHATT N D. (2005). MACHINE DRAWING (40TH ED.). CHAROTAR PUBLISHING HOUSE.
Dyfyniad Arddull ChicagoBHATT N D. MACHINE DRAWING. 40TH ED. ANAND: CHAROTAR PUBLISHING HOUSE, 2005.
Dyfyniad MLABHATT N D. MACHINE DRAWING. 40TH ED. CHAROTAR PUBLISHING HOUSE, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.