OMS. Bulletin of WHO: Vol.68(1)/1990. Geneva: OMS.
Trích dẫn kiểu ChicagoOMS. Bulletin of WHO: Vol.68(1)/1990. Geneva: OMS.
MLA CitationOMS. Bulletin of WHO: Vol.68(1)/1990. Geneva: OMS.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
OMS. Bulletin of WHO: Vol.68(1)/1990. Geneva: OMS.
Trích dẫn kiểu ChicagoOMS. Bulletin of WHO: Vol.68(1)/1990. Geneva: OMS.
MLA CitationOMS. Bulletin of WHO: Vol.68(1)/1990. Geneva: OMS.