Mayor, S. (2003). Medical injuries in US hospitals cause more than 30 000 deaths each year. BMJ Group.
Chicago-tyylinen lähdeviittausMayor, Susan. Medical Injuries in US Hospitals Cause More Than 30 000 Deaths Each Year. BMJ Group, 2003.
MLA-viiteMayor, Susan. Medical Injuries in US Hospitals Cause More Than 30 000 Deaths Each Year. BMJ Group, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.