Whelan, P. (1999). AutoCAD 14 in easy steps / Paul Whelan. Computer Step.
Chicago Style (17th ed.) CitationWhelan, Paul. AutoCAD 14 in Easy Steps / Paul Whelan. Southam: Computer Step, 1999.
MLA (9th ed.) CitationWhelan, Paul. AutoCAD 14 in Easy Steps / Paul Whelan. Computer Step, 1999.
Warning: These citations may not always be 100% accurate.