Expanded Programme on Immunization; World Health Organization. 1992. Information system: Summary for the WHO european region. [S.l.]: World Health Organization.
APA (7th ed.) CitationExpanded Programme on Immunization & World Health Organization. (1992). Information system: Summary for the WHO european region. World Health Organization.
Chicago Style (17th ed.) CitationExpanded Programme on Immunization and World Health Organization. Information System: Summary for the WHO European Region. [S.l.]: World Health Organization, 1992.
MLA (9th ed.) CitationExpanded Programme on Immunization and World Health Organization. Information System: Summary for the WHO European Region. World Health Organization, 1992.
