Citazione APA

(2001). WHO drug ninformation, Vol.15.No.3&4,2001. World Health Organisation.

Stile di citazione Chicago

WHO Drug Ninformation, Vol.15.No.3&4,2001. Geneva: World Health Organisation, 2001.

Citazione MLA

WHO Drug Ninformation, Vol.15.No.3&4,2001. World Health Organisation, 2001.