Leach, J. A. (2006). AutoCAD 2007 instructor: A student guide to complete coverage of AutoCAD's commands and features. McGraw-Hill Higher Education.
শিকাগো স্টাইলে সাইটেশনLeach, James A. AutoCAD 2007 Instructor: A Student Guide to Complete Coverage of AutoCAD's Commands and Features. McGraw-Hill Higher Education, 2006.
এমএলএ সাইটেশনLeach, James A. AutoCAD 2007 Instructor: A Student Guide to Complete Coverage of AutoCAD's Commands and Features. McGraw-Hill Higher Education, 2006.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.