Nurul Izzah binti Abdul Halim. (2017). Effect of salicylic acid (SA) on Nicotiana tabacum grown under lead (Pb) stress. Kulliyyah of Science, International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Nurul Izzah binti Abdul Halim. Effect of Salicylic Acid (SA) on Nicotiana Tabacum Grown Under Lead (Pb) Stress. Kuantan, Pahang: Kulliyyah of Science, International Islamic University Malaysia, 2017.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Nurul Izzah binti Abdul Halim. Effect of Salicylic Acid (SA) on Nicotiana Tabacum Grown Under Lead (Pb) Stress. Kulliyyah of Science, International Islamic University Malaysia, 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.