Gaya APA
Nelson, E, R.
(2008).
Delapan Obat Alami
(
Cet. 6)
.
Bandung:
Indonesia Publishing House.
Gaya MLA
Nelson, Ethel, R..
"Delapan Obat Alami".
Cet. 6
Bandung:
Indonesia Publishing House,
2008.
Buku.