Leigh, R. W. (1990). Auto CAD: :A concise guide to commands and features. Galgotia.
Čikaški stil citiranjaLeigh, Ronald W. Auto CAD: :A Concise Guide to Commands and Features. New Delhi: Galgotia, 1990.
MLA način citiranjaLeigh, Ronald W. Auto CAD: :A Concise Guide to Commands and Features. Galgotia, 1990.
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