Ahmad, S. Z. (2013). Numerical solutions of single delay differential equations and special second order oscillatory initial value problems using Runge-Kutta and hybrid methods.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmad, Sufia Zulfa. Numerical Solutions of Single Delay Differential Equations and Special Second Order Oscillatory Initial Value Problems Using Runge-Kutta and Hybrid Methods. 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmad, Sufia Zulfa. Numerical Solutions of Single Delay Differential Equations and Special Second Order Oscillatory Initial Value Problems Using Runge-Kutta and Hybrid Methods. 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.