Gaya APA
Robson, S, E., Waugh, J. (2008).
Medical Disorders in Pregnancy : A Manual for Midwives .
Hong Kong:
Blackwell Publishing.
Gaya MLA
Robson, S., Eizabeth., Waugh, Jason.
"Medical Disorders in Pregnancy : A Manual for Midwives".
Hong Kong:
Blackwell Publishing,
2008.
print.