Healthline. https://www.healthline.com/health/pregnancy/crying-during-pregnancy#takeaway
Diakses 28 Oktober 2019Parenting First Cry. https://parenting.firstcry.com/articles/crying-during-pregnancy-how-it-affects-your-baby/
Diakses 28 Oktober 2019Association for Psychological Science.https://www.psychologicalscience.org/news/releases/a-fetus-can-sense-moms-psychological-state.html#.WCOfLeErJAY
Diakses 28 Oktober 2019WebMD. https://www.webmd.com/baby/crying-spells
Diakses 28 Oktober 2019