APA Citation

WHO. (1991). WHO drug information; Vol.5(N.3)/1991. Geneva: WHO.

Trích dẫn kiểu Chicago

WHO. WHO Drug Information; Vol.5(N.3)/1991. Geneva: WHO, 1991.

MLA Citation

WHO. WHO Drug Information; Vol.5(N.3)/1991. Geneva: WHO, 1991.

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