(FEEDAP), E. P. o. A. a. P. o. S. u. i. A. F. (2012, June). Scientific Opinion on safety and efficacy of zinc compounds (E6) as feed additive for all species: Zinc sulphate monohydrate, based on a dossier submitted by Grillo‐Werke AG/EMFEMA. EFSA Journal.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)(FEEDAP), EFSA Panel on Additives and Products or Substances used in Animal Feed. "Scientific Opinion on Safety and Efficacy of Zinc Compounds (E6) as Feed Additive for All Species: Zinc Sulphate Monohydrate, Based on a Dossier Submitted by Grillo‐Werke AG/EMFEMA." EFSA Journal Jun. 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)(FEEDAP), EFSA Panel on Additives and Products or Substances used in Animal Feed. "Scientific Opinion on Safety and Efficacy of Zinc Compounds (E6) as Feed Additive for All Species: Zinc Sulphate Monohydrate, Based on a Dossier Submitted by Grillo‐Werke AG/EMFEMA." EFSA Journal, Jun. 2012.