(1998). Helping clients understand vaccination. Guelph [Ont.]: Lifelearn.
Chicago Style CitationHelping Clients Understand Vaccination. Guelph [Ont.]: Lifelearn, 1998.
Cita MLAHelping Clients Understand Vaccination. Guelph [Ont.]: Lifelearn, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.