Gaya APA
Baston, H., Hall, J.
(2011).
Midwifery Essentials Antenatal Vol.2
.
Jakarta:
EGC.
Gaya MLA
Baston, Helen., Hall, Jennifer.
"Midwifery Essentials Antenatal Vol.2".
Jakarta:
EGC,
2011.
Buku Text.