Leigh, R. W. (1996). Auto Cad Thru` Release 13 For Dos & Windows: A Concise Guide To Commands And Features. Galgotia Publications Pvt Ltd.
Chicago Edition CitationLeigh, Ronald W. Auto Cad Thru` Release 13 For Dos & Windows: A Concise Guide To Commands And Features. Galgotia Publications Pvt Ltd, 1996.
MLA Edition CitationLeigh, Ronald W. Auto Cad Thru` Release 13 For Dos & Windows: A Concise Guide To Commands And Features. Galgotia Publications Pvt Ltd, 1996.
Warning: These citations may not always be 100% accurate.