Cita APA (7th ed.)
St. John Ambulance. (1987). Emergency first aid. St.John Ambulance.
Cita Chicago (17th ed.)
St. John Ambulance. Emergency First Aid. Ottawa: St.John Ambulance, 1987.
Cita MLA (9th ed.)
St. John Ambulance. Emergency First Aid. St.John Ambulance, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.