Bhatt, N. D. (1980). Elementary engineering drawing (16.). Charotar publishing house.
シカゴスタイル引用形Bhatt, N D. Elementary Engineering Drawing. 16. Anand: Charotar publishing house, 1980.
MLA引用形式Bhatt, N D. Elementary Engineering Drawing. 16. Charotar publishing house, 1980.
警告: この引用は必ずしも正確ではありません.