Smith, J., Leke, R., Adams, A., & Tangermann, R. H. (2004). Certification of polio eradication: Process and lessons learned. World Health Organization.
Citação norma ChicagoSmith, Joseph, Rose Leke, Anthony Adams, and Rudolf H. Tangermann. Certification of Polio Eradication: Process and Lessons Learned. World Health Organization, 2004.
Citação norma MLASmith, Joseph, Rose Leke, Anthony Adams, and Rudolf H. Tangermann. Certification of Polio Eradication: Process and Lessons Learned. World Health Organization, 2004.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.