Leigh, R. W. (1990). Auto CAD: :A concise guide to commands and features. Galgotia.
Chicago Edition CitationLeigh, Ronald W. Auto CAD: :A Concise Guide to Commands and Features. New Delhi: Galgotia, 1990.
MLA Edition CitationLeigh, Ronald W. Auto CAD: :A Concise Guide to Commands and Features. Galgotia, 1990.
Warning: These citations may not always be 100% accurate.