Gaya APA

Cunningham, F. Gary...[et.al]. (2014). Williams Obstetrics, 24th edition (24 th. Edition). USA: Mc Graw-Hill.

Gaya Chicago

Cunningham, F. Gary...[et.al]. Williams Obstetrics, 24th edition. 24 th. Edition USA: Mc Graw-Hill, 2014. Text.

Gaya MLA

Cunningham, F. Gary...[et.al]. Williams Obstetrics, 24th edition. 24 th. Edition USA: Mc Graw-Hill, 2014. Text.

Gaya Turabian

Cunningham, F. Gary...[et.al]. Williams Obstetrics, 24th edition. 24 th. Edition USA: Mc Graw-Hill, 2014. Print.