Bettencourt, C. M., & Jacobs, K. (1995). Ergonomics for therapists. Butterworth-Heinemann.
Lua i Stíl Chicago (17ú heag.)Bettencourt, Carl M., agus Karen Jacobs. Ergonomics for Therapists. Boston: Butterworth-Heinemann, 1995.
Lua MLA (9ú heag.)Bettencourt, Carl M., agus Karen Jacobs. Ergonomics for Therapists. Butterworth-Heinemann, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.