Gaya APA
Williams, R, T., Kok, J, C. (2007).
Drugs Information Journal:official publication of the drug information assosiation (Vol.41,No.2).
South Korea:
DIA (drug information assosiation).
Gaya MLA
Williams, Richard, T.., Kok, Jon, C..
"Drugs Information Journal:official publication of the drug information assosiation".
Vol.41,No.2
South Korea:
DIA (drug information assosiation),
2007.
Text.