Verywell Mind. https://www.verywellmind.com/what-is-permissive-parenting-2794957
Diakses 28 Januari 2020Healthline. https://www.healthline.com/health/parenting/what-is-permissive-parenting
Diakses 28 Januari 2020Parenting Science. https://www.parentingscience.com/permissive-parenting.html
Diakses 28 Januari 2020