Gaya APA
Brewer, J, I.
(1984).
American Journal of Obstetrics and Gynecology
(
Volume 149)
.
USA:
Mosby Company.
Gaya MLA
Brewer, Jhon, I..
"American Journal of Obstetrics and Gynecology".
Volume 149
USA:
Mosby Company,
1984.
Text.