World Health Organization. (2009). Report of the twelfth WHOPES Working Group Meeting, Geneva, 8-11 December 2008. WHO.
Citação norma ChicagoWorld Health Organization. Report of the Twelfth WHOPES Working Group Meeting, Geneva, 8-11 December 2008. Geneva: WHO, 2009.
Citação norma MLAWorld Health Organization. Report of the Twelfth WHOPES Working Group Meeting, Geneva, 8-11 December 2008. WHO, 2009.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.