Rujukan Zat_besi

  1. 1 2 (Inggeris) Garrow JS dan James WPT. 1993. Human Nutrition and Dietetics, Ninth Edition. Edinburgh: Churchill Livingstone. m/s. 174-180.
  2. 1 2 Faizatul Farlin Farush Khan (2012/05/06). "Bahaya kekurangan zat besi". myMetro. Dicapai 21 Mei 2014.  Check date values in: |date= (bantuan)