Gaya APA
Cunningham, F. Gary. (2005).
Obstetri Williams (21).
Jakarta:
EGC.
Gaya Chicago
Cunningham, F. Gary.
Obstetri Williams.
21
Jakarta:
EGC,
2005.
.
Gaya MLA
Cunningham, F. Gary.
Obstetri Williams.
21
Jakarta:
EGC,
2005.
.
Gaya Turabian
Cunningham, F. Gary.
Obstetri Williams.
21
Jakarta:
EGC,
2005.
.