WHO. (1991). WHO drug information; Vol.5(N.3)/1991. Geneva: WHO.
Trích dẫn kiểu ChicagoWHO. WHO Drug Information; Vol.5(N.3)/1991. Geneva: WHO, 1991.
Deismireacht MLAWHO. WHO Drug Information; Vol.5(N.3)/1991. Geneva: WHO, 1991.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.