1. Choice Theory: A Very Short Introduction;Allingham,2002
2. Increasing out of hospital birth: what needs to change?;Barber;Br. J. Midwifery,2007
3. National Service Framework for Children, Young People and Maternity Services: Maternity Services;Department of Health, Department of Education and Skills,2004
4. Maternity Matters: Choice, Access and Continuity of Care in a Safe Service;Department of Health,2007
5. Why can't women just say no? And does it really matter?;Edwards,2004