Gaya APA
Sabarudin, U. et al
(2015).
Penatalaksanaan Intensif Obstetri
.
Jakarta:
Sagung Seto.
Gaya MLA
Sabarudin, Udin. et al.
"Penatalaksanaan Intensif Obstetri".
Jakarta:
Sagung Seto,
2015.
textbook.