Gaya APA
ENKIN, M., Nielson, M., J., N., C., C., R. (2003-c.1).
A Guide to Effective Care In Pregnancy And Childbirth (3).
New York:
Oxford University Press.
Gaya MLA
ENKIN, M., Nielson, M., J., N., C., C., R..
A Guide to Effective Care In Pregnancy And Childbirth.
3
New York:
Oxford University Press,
2003-c.1.
Text.