APA (7th ed.) Citation

Shih, R. H. (2014). AutoCAD 2015 tutorial: First level : 2D fundamentals. SDC Publications.

Chicago Style (17th ed.) Citation

Shih, Randy H. AutoCAD 2015 Tutorial: First Level : 2D Fundamentals. USA: SDC Publications, 2014.

MLA (9th ed.) Citation

Shih, Randy H. AutoCAD 2015 Tutorial: First Level : 2D Fundamentals. SDC Publications, 2014.

Warning: These citations may not always be 100% accurate.