World Health Organization. (2003). Quality assurance in bacteriology and immunology. World Health Organization.
Cita Chicago Style (17a ed.)World Health Organization. Quality Assurance in Bacteriology and Immunology. New Delhi: World Health Organization, 2003.
Cita MLA (8a ed.)World Health Organization. Quality Assurance in Bacteriology and Immunology. World Health Organization, 2003.
Precaución: Estas citas no son 100% exactas.