APA Style
Obstetri Williams Volume 2, Edisi 23. (2016).
Jakarta:
EGC.
Chicago Style
Obstetri Williams Volume 2, Edisi 23.
.
Jakarta:
EGC,
2016.
Printed Book.
MLA Style
Obstetri Williams Volume 2, Edisi 23.
.
Jakarta:
EGC,
2016.
Printed Book.
Turabian Style
Obstetri Williams Volume 2, Edisi 23.
Jakarta:
EGC,
2016.
Printed Book.