Gaya APA
Maliza, R.
(1995).
USP 23 NF 18
.
Twin brook Park, Rockville:
U.S Pharmacopeial Convention.
Gaya MLA
Maliza, Rita.
"USP 23 NF 18".
Twin brook Park, Rockville:
U.S Pharmacopeial Convention,
1995.
Text.