Gaya APA
HEWITT, Sally. (2011).
Sistem Pencernaan .
Solo:
Tiga Ananda.
Gaya Chicago
HEWITT, Sally.
Sistem Pencernaan.
Solo:
Tiga Ananda,
2011.
Text.
Gaya MLA
HEWITT, Sally.
Sistem Pencernaan.
Solo:
Tiga Ananda,
2011.
Text.
Gaya Turabian
HEWITT, Sally.
Sistem Pencernaan.
Solo:
Tiga Ananda,
2011.
Print.