Gaya APA
Poerwandari, H. et al
(2002).
Invetory Obat Tradisional
.
Surabaya:
IND . DEPKES.
Gaya MLA
Poerwandari, Heddy. et al.
"Invetory Obat Tradisional".
Surabaya:
IND . DEPKES,
2002.
Text.