Ashraf, A. (2011). Characterization of major elements, heavy metals, and rare earth elements in soils of MARDI station at Cameron Highlands, Malaysia using neutron activation analysis.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ashraf, Ahmadreza. Characterization of Major Elements, Heavy Metals, and Rare Earth Elements in Soils of MARDI Station at Cameron Highlands, Malaysia Using Neutron Activation Analysis. 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ashraf, Ahmadreza. Characterization of Major Elements, Heavy Metals, and Rare Earth Elements in Soils of MARDI Station at Cameron Highlands, Malaysia Using Neutron Activation Analysis. 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.