APA-viite (7. p.)

Tweedy, J. T. M. C. C. (1997). Healthcare hazard control and safety management. Health Care safety Management.

Chicago-viite (17. p.)

Tweedy, James T. M.S. CHCM CHSP. Healthcare Hazard Control and Safety Management. Maryland: Health Care safety Management, 1997.

MLA-viite (8. p.)

Tweedy, James T. M.S. CHCM CHSP. Healthcare Hazard Control and Safety Management. Health Care safety Management, 1997.