First on the scene :  student reference guide/ 
St. John ambulance. 
 - Ottawa, Ontario:  St.John ambulance,  2006. 
 - Various paginations. : 
<br/><br/><label>ISBN: </label>1894070569 
<br/><br/><label>Subjects--Topical Terms: </label><br/>First aid in illness and injury - problems, exercises
<br/><br/><label>LC Class. No.: </label>RC 86.8  / .F59 2006