Gaya APA

Leach, J, A, L, J, A. (2006). AutoCAD 2006 instructor : a student guide to complete coverage of AutoCAD's commands and features.-- . America: McGraw-Hill.

Gaya MLA

Leach, James, A., Leach,, James, A.. "AutoCAD 2006 instructor : a student guide to complete coverage of AutoCAD's commands and features.--". America: McGraw-Hill, 2006. Buku.