498 Siti Sarah Binti Mohd Sinin 2018-10-23 https://books.google.com.my/books?id=6jrlyOPfr24C&pg=PA68&dq=Amaranthus+cruentus+vitamin+A&hl=en&sa=X&ved=0ahUKEwjWnMWI3pveAhXEK48KHWIWD0EQ6AEIKTAA#v=onepage&q=Amaranthus%20cruentus%20vitamin%20A&f=false Grubben, G.J.H. & Denton, O.A (Editors), 2004. Plant Resources of Tropical Africa 2. Vegetables. (pp 68). PROTA Foundation, Wageningen, Netherlands/Backkhus Publishers, Leiden Netherlands/CTA, Wageningen, Netherland. 668pp. Revised record 03.9.2019