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引文Bhatt, N D. Geometrical and Machine Drawing. Charotar publishing house, 1992.
警告:這些引文格式不一定是100%准確.