Gaya APA
Enkin, M. (2000).
A Guide to Effective Care in Pragnancy and Childbirth (Edisi 3 2000).
Amerika:
Oxford Medical Publications.
Gaya MLA
Enkin, Murray.
"A Guide to Effective Care in Pragnancy and Childbirth".
Edisi 3 2000
Amerika:
Oxford Medical Publications,
2000.
Text.