Gaya APA
Cunningham, F. Gary., MacDonald, Paul C., Gant, Norman F.. (1989).
Williams obstetrics (18th. Ed.).
London:
Prentice-Hall.
Gaya Chicago
Cunningham, F. Gary., MacDonald, Paul C., Gant, Norman F..
Williams obstetrics.
18th. Ed.
London:
Prentice-Hall,
1989.
Text.
Gaya MLA
Cunningham, F. Gary., MacDonald, Paul C., Gant, Norman F..
Williams obstetrics.
18th. Ed.
London:
Prentice-Hall,
1989.
Text.
Gaya Turabian
Cunningham, F. Gary., MacDonald, Paul C., Gant, Norman F..
Williams obstetrics.
18th. Ed.
London:
Prentice-Hall,
1989.
Print.