Grabowski, R. (1994). Learn autocad 12 in a day. BPB Publications.
シカゴスタイル引用形Grabowski, Ralph. Learn Autocad 12 in a Day. New Delhi: BPB Publications, 1994.
MLA引用形式Grabowski, Ralph. Learn Autocad 12 in a Day. BPB Publications, 1994.
警告: この引用は必ずしも正確ではありません.