Ashraf, M. A. (2012). Chemical speciation, biovailability and remediation of heavy metals in the former tin mining catchment.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ashraf, Muhammad Aqeel. Chemical Speciation, Biovailability and Remediation of Heavy Metals in the Former Tin Mining Catchment. 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ashraf, Muhammad Aqeel. Chemical Speciation, Biovailability and Remediation of Heavy Metals in the Former Tin Mining Catchment. 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.