Gaya APA
Syaifuddin, H., Martindale, . (1994).
The Extra Pharmacopoeia Buku 1 (13th Ed.).
Singapore:
Info Access and Distribution.
Gaya MLA
Syaifuddin, H.., Martindale, .
"The Extra Pharmacopoeia Buku 1".
13th Ed.
Singapore:
Info Access and Distribution,
1994.
Text.