एपीए उद्धरण

Grabowski, R. (1994). Learn autocad 12 in a day. BPB Publications.

शिकागो स्टाइल उद्धरण

Grabowski, Ralph. Learn Autocad 12 in a Day. New Delhi: BPB Publications, 1994.

एमएलए उद्धरण

Grabowski, Ralph. Learn Autocad 12 in a Day. BPB Publications, 1994.