APA
World Health Organization. Department of Vaccines and Biologicals, . (2003). The immunization data quality audit (DQA) procedure. Geneva: World Health Organization.
Chicago
World Health Organization. Department of Vaccines and Biologicals, . 2003. The immunization data quality audit (DQA) procedure. Geneva: World Health Organization.
Harvard
World Health Organization. Department of Vaccines and Biologicals, . (2003). The immunization data quality audit (DQA) procedure. Geneva: World Health Organization.
MLA
World Health Organization. Department of Vaccines and Biologicals, . The immunization data quality audit (DQA) procedure. Geneva: World Health Organization. 2003.