Gaya APA
Brewer, J, I.
(1982).
American Journal of Obstetrics and Gynecology
(
Volume 143)
.
USA:
Mosby Company.
Gaya MLA
Brewer, Jhon, I..
"American Journal of Obstetrics and Gynecology".
Volume 143
USA:
Mosby Company,
1982.
Text.