Gaya APA
British National Formulary 51
.
(2006).
:
.
Gaya Chicago
British National Formulary 51
.
.
:
,
2006.
Text.
Gaya MLA
British National Formulary 51
.
.
:
,
2006.
Text.
Gaya Turabian
British National Formulary 51
.
:
,
2006.
Print.