HALTON, R. (1993). Making Cadcam Work Richard Halton. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)HALTON, Richard. Making Cadcam Work Richard Halton. Prentice-Hall, 1993.
Lua MLA (8ú heag.)HALTON, Richard. Making Cadcam Work Richard Halton. Prentice-Hall, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.