Gaya APA
Chestnut, D.
(2004).
Obstetric Anesthesia Principles and Practice
(
Edisi 3)
.
USA:
Mosby.
Gaya MLA
Chestnut, David,H.
"Obstetric Anesthesia Principles and Practice".
Edisi 3
USA:
Mosby,
2004.
Text.