Mark Dix; Paul Riley. Discovering AutoCAD? 2009. Pearson India.
Chicago Style (17th ed.) CitationMark Dix; Paul Riley. Discovering AutoCAD? 2009. Pearson India.
MLA引文Mark Dix; Paul Riley. Discovering AutoCAD? 2009. Pearson India.
警告:這些引文格式不一定是100%准確.