Gaya APA

Wylie, L., Bryce, H. (2008). The Midwives's Guide to Key Medical Conditions : Pregnancy and Childbirth . London.: Churchill Livingstone.

Gaya MLA

Wylie, Linda., Bryce, Helen. "The Midwives's Guide to Key Medical Conditions : Pregnancy and Childbirth". London.: Churchill Livingstone, 2008. Text.