Gaya APA
Barbara L. Hoffman, MD. (2012).
23 rd Edition Williams Obstetrics Study Guide (23).
:
EGC.
Gaya Chicago
Barbara L. Hoffman, MD.
23 rd Edition Williams Obstetrics Study Guide.
23
:
EGC,
2012.
Text.
Gaya MLA
Barbara L. Hoffman, MD.
23 rd Edition Williams Obstetrics Study Guide.
23
:
EGC,
2012.
Text.
Gaya Turabian
Barbara L. Hoffman, MD.
23 rd Edition Williams Obstetrics Study Guide.
23
:
EGC,
2012.
Print.