Boit, Hans G.
Ergebnisse der Alkaloid-Chemie his 1960
Akademie-Verlag, 1960
 Buku Referensi
Pharmaceutical DIrectory of Indonesia
KAT International Marketing Service, 1972
 Buku Referensi
Sliosberg, A.
Elsevier's Dictionary of Pharmaceutical Science and Techniques
Elsevier, 1968
 Buku Referensi
Handbook of pharmaceutical excipients
American Pharmaceutical Association, 1983
 Buku Referensi
Reynolds, James E. F.
Martindale the extra pharmacopoeia 30th edition
The Pharmaceutical Press, 1993
 Buku Referensi