Citazione APA

 Leach, J. A. (2007).  Autocad 2007 instructor: A student guide to complete coverage of autocad’s commands and features.  McGraw-Hill Companies.

Stile di citazione Chicago

 Leach, James A.  Autocad 2007 Instructor: A Student Guide to Complete Coverage of Autocad’s Commands and Features.  McGraw-Hill Companies, 2007.

Citazione MLA

 Leach, James A.  Autocad 2007 Instructor: A Student Guide to Complete Coverage of Autocad’s Commands and Features.  McGraw-Hill Companies, 2007.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.