Gaya APA
Formulary, B, N. (2002).
BNF 44 September 2002 - British National Formulary - .
London:
BritishMedicalAssociation.
Gaya MLA
Formulary, British, National.
"BNF 44 September 2002 - British National Formulary -".
London:
BritishMedicalAssociation,
2002.
Text.