1. T.C. Sağlık Bakanlığı Sağlık İstatistikleri Yıllığı 2014. (The Ministry of Health of Turkey Health Statistics Year Book 2014) http://saglik.gov.tr/TR/dosya/1-101702/h/yilliktr.pdf
2. Three countries that have boosted OECD average in Cesarean section http://www.medimagazin.com.tr/guncel/genel/tr-sezaryende-oecd-ortalamasini-yukari-ceken-3-ulke-11-681-69095.html
3. Which countries have the highest caesarean section rates? http://www.forbes.com/sites/niallmccarthy/2016/01/12/which-countries-have-the-highest-caesarean-section-rates-infographic/#2dd2b6df44ff
4. Appropriate technology for birth;World Health Organization;Lancet,1985
5. WHO statement on caesarean section rates http://www.who.int/reproductivehealth/publications/maternal_perinatal_health/cs-statement/en/