Gaya APA
Nelson-Piercy, C, J, G. (2007).
Obstetric Medicine A Problem-Based Approach .
London:
Springer-Verlag.
Gaya MLA
Nelson-Piercy, Catherine,, Joanna, Girling.
"Obstetric Medicine A Problem-Based Approach".
London:
Springer-Verlag,
2007.
E-Book.