Gaya APA
Cunningham, L, B, H.
(2012).
Obstetri Williams Ed. 23 Vol. 2
.
Jakarta:
EGC.
Gaya MLA
Cunningham, Leveno,, Bloom, Hauth.
"Obstetri Williams Ed. 23 Vol. 2".
Jakarta:
EGC,
2012.
Koleksi Cetak.