APA Style
Tjay, T, H., Rahardja, K.
(2001).
Obat-obat penting
.
i3L, Jakarta:
i3L, Jakarta.
MLA Style
Tjay, Tan, Hoan., Rahardja, Kirana.
"Obat-obat penting".
i3L, Jakarta:
i3L, Jakarta,
2001.
Books.