APA
World Health Organization, . (2002). Report of a WHO meeting on monitoring and assessment of vaccine-preventable diseases. Geneva: Dept. of Vaccines and Biologicals, World Health Organization.
Chicago
World Health Organization, . 2002. Report of a WHO meeting on monitoring and assessment of vaccine-preventable diseases. Geneva: Dept. of Vaccines and Biologicals, World Health Organization.
Harvard
World Health Organization, . (2002). Report of a WHO meeting on monitoring and assessment of vaccine-preventable diseases. Geneva: Dept. of Vaccines and Biologicals, World Health Organization.
MLA
World Health Organization, . Report of a WHO meeting on monitoring and assessment of vaccine-preventable diseases. Geneva: Dept. of Vaccines and Biologicals, World Health Organization. 2002.