Autodesk, I. (1990). AutoCAD release 11: Advanced modelling extension reference manual. Autodesk Inc.
Chicago Style (17th ed.) CitationAutodesk, Inc. AutoCAD Release 11: Advanced Modelling Extension Reference Manual. Autodesk Inc, 1990.
MLA (8th ed.) CitationAutodesk, Inc. AutoCAD Release 11: Advanced Modelling Extension Reference Manual. Autodesk Inc, 1990.
Warning: These citations may not always be 100% accurate.