Hutchinson, R. A. (1985). Computer eye-stress: How to avoid it, how to alleviate it. M. Evans.
Lua i Stíl Chicago (17ú heag.)Hutchinson, R. Anthony. Computer Eye-stress: How to Avoid It, How to Alleviate It. New York: M. Evans, 1985.
Lua MLA (8ú heag.)Hutchinson, R. Anthony. Computer Eye-stress: How to Avoid It, How to Alleviate It. M. Evans, 1985.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.