UDOH, C. O. (2007). First aid and emergency care. Chris-Rose Publishers.
Cita Chicago (17th ed.)UDOH, C. O. First Aid and Emergency Care. Chris-Rose Publishers, 2007.
Cita MLA (9th ed.)UDOH, C. O. First Aid and Emergency Care. Chris-Rose Publishers, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.