Departemen Kesehatan RI (Depkes), “Peraturan Menteri Kesehatan Republik Indonesia Nomor 722/Menkes/Per/IX/88 tentang Bahan Tambahan Makanan,” Depkes RI, Jakarta, 1988. (Ministry of the Department of Health Regulation on Food Additives, in Indonesia Language)
 Codex Alimentarius Commission (CAC), “Working Document for Information and Support to the Discussion on the General Standard for Food Additives. CX/FA 07/39/8. Joint FAO/WHO Food Standards Programme,” CAC, Rome, 2006.
 European Parliament and the Council of the European Union (EU), “European Parliament and Council Directive 94/36/EC of 30 June 1994 on Colours for Use in Food stuffs,” Official Journal of the European Communities, No. L237/13, 1994.