WHO. (1994). WHO drug information; Vol.8(N.3)/1994. Geneva: WHO.
Trích dẫn kiểu ChicagoWHO. WHO Drug Information; Vol.8(N.3)/1994. Geneva: WHO, 1994.
MLA CitationWHO. WHO Drug Information; Vol.8(N.3)/1994. Geneva: WHO, 1994.
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