Venugopal, K. a. R. Engineering Drawing + AutoCAD. New Age Books.
Chicagoスタイル(17版)引用形式Venugopal, K and Raja. Engineering Drawing + AutoCAD. New Age Books.
MLA(9版)引用形式Venugopal, K and Raja. Engineering Drawing + AutoCAD. New Age Books.
警告: この引用は必ずしも正確ではありません.