Gupta, R. B. (1972). A textbook of machine drawing. Satya Prakashan.
シカゴスタイル引用形Gupta, R B. A Textbook of Machine Drawing. New Delhi: Satya Prakashan, 1972.
MLA引用形式Gupta, R B. A Textbook of Machine Drawing. Satya Prakashan, 1972.
警告: この引用は必ずしも正確ではありません.