Gaya APA

Wyatt, W, G. (2018). Autodesk AutoCAD Certified User Study Guide : AutoCAD 2019 Edition (2019). United States: Better Textbook.

Gaya MLA

Wyatt, William, G.. "Autodesk AutoCAD Certified User Study Guide : AutoCAD 2019 Edition". 2019 United States: Better Textbook, 2018. Text.