World Health Organization. (1997). Manual of laboratory methods for testing of vaccines used in the WHO Expanded Programme on Immunization. World Health Organization.
Citação norma ChicagoWorld Health Organization. Manual of Laboratory Methods for Testing of Vaccines Used in the WHO Expanded Programme on Immunization. Geneva: World Health Organization, 1997.
Citação norma MLAWorld Health Organization. Manual of Laboratory Methods for Testing of Vaccines Used in the WHO Expanded Programme on Immunization. World Health Organization, 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.