Leigh, R. W. (1990). Auto CAD: :A concise guide to commands and features. Galgotia.
シカゴスタイル引用形Leigh, Ronald W. Auto CAD: :A Concise Guide to Commands and Features. New Delhi: Galgotia, 1990.
MLA引用形式Leigh, Ronald W. Auto CAD: :A Concise Guide to Commands and Features. Galgotia, 1990.
警告: この引用は必ずしも正確ではありません.