(2004). Immunization in Practice A practical guide for health staff. WHO.
Cita Chicago (17th ed.)Immunization in Practice A Practical Guide for Health Staff. Ginebra: WHO, 2004.
Cita MLA (9th ed.)Immunization in Practice A Practical Guide for Health Staff. WHO, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.