SMID PETER. (2006). CNC PROGRAMMING TECHNIQUES. INDUSTRIAL PRESS.
Lua i Stíl Chicago (17ú heag.)SMID PETER. CNC PROGRAMMING TECHNIQUES. NEW YORK: INDUSTRIAL PRESS, 2006.
Lua MLA (9ú heag.)SMID PETER. CNC PROGRAMMING TECHNIQUES. INDUSTRIAL PRESS, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.