Bhatt, N. D. (1981). Machine drawing (17th ed.). Charotar Publishing House.
シカゴスタイル引用形Bhatt, N D. Machine Drawing. 17th ed. Anand: Charotar Publishing House, 1981.
MLA引用形式Bhatt, N D. Machine Drawing. 17th ed. Charotar Publishing House, 1981.
警告: この引用は必ずしも正確ではありません.