Ze'ev Hochberg, MD, DSc. 2003. Vitamin D and Rickets. Switzerland: Reinhardt DruckNHS. https://www.nhs.uk/conditions/rickets-and-osteomalacia/
https://www.nhs.uk/conditions/pregnancy-and-baby/vitamins-for-children/
Diakses 26 April 2019MedicineNet. https://www.medicinenet.com/rickets/article.htm#what_is_rickets
Diakses 26 April 2019Ernawati, F. and Budiman, B. (2015). Status Vitamin D Terkini Anak Indonesia Usia 2,0-12, 9 Tahun. Gizi Indon, 38(1), p.73AAFP. https://www.aafp.org/afp/2006/0815/p629.html
Diakses 26 April 2019Mayo Clinic. https://www.mayoclinic.org/drugs-supplements-vitamin-d/art-20363792
Diakses 26 April 2019