Gaya APA
Cunningham, F, G., Leveno, K, J.
(2014).
Obstetrics Williams
.
CHAMPAIGN:
PEARSON EDUCATION.
Gaya MLA
Cunningham, F., Gery., Leveno, Kenneth, J..
"Obstetrics Williams".
CHAMPAIGN:
PEARSON EDUCATION,
2014.
PERAWAT.