Books
Schultz, Smith, and Smith, Larry. Blueprint Reading for the Machine Trades.7th ed. Upper Saddle River, N.J.: Pearson/Prentice Hall, 2012. Print.
Taylor, David L. Blueprint Reading for Machinists, Intermediate.6th ed. Clifton Park, NY: Delmar/Thomson Learning, 2004. Print. Delmar Learning Blueprint Reading Ser.
Krar, Stephen F., Arthur Gill, and Peter. Smid. Computer Numerical Control Simplified. 1st ed. New York: Industrial, 2001. Print.
Ebooks
Mandal, Nirmal Kumar. Computer Numerical Controlled Machines: Constructional Features and Programming. 2016. Web.
Miller, Rex, and NetLibrary, Inc. Audel Automated Machines and Toolmaking. 5th ed. Indianapolis, IN: Wiley, 2004. Audel Machinist's Library. Web.
Journals