1. American College of Obstetricis and Gynecology. 2016. Immersion in water during labor and delivery. Committee opinion November. USA.
2. Anim–Somuah, M., R.M.D. Smyth and C.J. Howell. 2005. Epidural versus non- epidural or no analgesia in labour. Cochrane database of systematic reviews 4: Article CD000331.
3. Balaskas, J. 2004. The Waterbirth Book. London: Thorsons.
4. British Institute of Human Rights. 2016 Midwifery and Human rights: A Practitioner’s Guide. UK
5. Burns, E. and S. Kitzinger. 2000. Midwifery Guidelines for Use of Water in Labour. Oxford: OCHRAD.