National Safety Council. (2005). Standard first aid, CPR, and AED. New York, NY: McGraw-Hill Higher Education.
Dyfyniad Arddull ChicagoNational Safety Council. Standard First Aid, CPR, and AED. New York, NY: McGraw-Hill Higher Education, 2005.
Dyfyniad MLANational Safety Council. Standard First Aid, CPR, and AED. New York, NY: McGraw-Hill Higher Education, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.