1994. Surveillance of poliomyelitis: Lessons learnt from the 1992/1993 outbreak in the Netherlands : report on a WHO meeting, Bilthoven 22-23 june 1993. Copenhagen: WHO.
Citace podle APA (7th ed.)(1994). Surveillance of poliomyelitis: Lessons learnt from the 1992/1993 outbreak in the Netherlands : report on a WHO meeting, Bilthoven 22-23 june 1993. WHO.
Citace podle Chicago (17th ed.)Surveillance of Poliomyelitis: Lessons Learnt from the 1992/1993 Outbreak in the Netherlands : Report on a WHO Meeting, Bilthoven 22-23 June 1993. Copenhagen: WHO, 1994.
Citace podle MLA (9th ed.)Surveillance of Poliomyelitis: Lessons Learnt from the 1992/1993 Outbreak in the Netherlands : Report on a WHO Meeting, Bilthoven 22-23 June 1993. WHO, 1994.
