Bhatt, N. D. (1992). Geometrical and machine drawing. Charotar publishing house.
Chicago Edition CitationBhatt, N D. Geometrical and Machine Drawing. India: Charotar publishing house, 1992.
MLA Edition CitationBhatt, N D. Geometrical and Machine Drawing. Charotar publishing house, 1992.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.