Bhatt, N. D. (1981). Machine drawing (17th ed.). Charotar Publishing House.
Chicago Edition CitationBhatt, N D. Machine Drawing. 17th ed. Anand: Charotar Publishing House, 1981.
MLA引文Bhatt, N D. Machine Drawing. 17th ed. Charotar Publishing House, 1981.
警告:這些引文格式不一定是100%准確.