Long, J., & Whitefield, A. (1989). Cognitive ergonomics and human - computer interaction. Cambridge.
Lua i Stíl Chicago (17ú heag.)Long, J., agus A. Whitefield. Cognitive Ergonomics and Human - Computer Interaction. New York: Cambridge, 1989.
Lua MLA (9ú heag.)Long, J., agus A. Whitefield. Cognitive Ergonomics and Human - Computer Interaction. Cambridge, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.