OMS. Bulletin of WHO: Vol.67(4)/1989. Geneva: OMS.
Trích dẫn kiểu ChicagoOMS. Bulletin of WHO: Vol.67(4)/1989. Geneva: OMS.
MLA CitationOMS. Bulletin of WHO: Vol.67(4)/1989. Geneva: OMS.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
OMS. Bulletin of WHO: Vol.67(4)/1989. Geneva: OMS.
Trích dẫn kiểu ChicagoOMS. Bulletin of WHO: Vol.67(4)/1989. Geneva: OMS.
MLA CitationOMS. Bulletin of WHO: Vol.67(4)/1989. Geneva: OMS.