Gaya APA
Swarbrick, J., Boylan, J, C. (1991).
Encyclopedia Pharmaceutical Technology, Vol.4( Design of Drugs to Drying and Driers) .
New York:
Marcel Dekker.
Gaya MLA
Swarbrick, James., Boylan, James, C.
"Encyclopedia Pharmaceutical Technology, Vol.4( Design of Drugs to Drying and Driers)".
New York:
Marcel Dekker,
1991.
Text.