BHATT N D. (2005). ELEMENTARY ENGINEERING DRAWING. CHAROTAR PUB.HOUSE.
Chicago Style aipamenaBHATT N D. ELEMENTARY ENGINEERING DRAWING. ANAND: CHAROTAR PUB.HOUSE, 2005.
MLA aipamenaBHATT N D. ELEMENTARY ENGINEERING DRAWING. CHAROTAR PUB.HOUSE, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.