Yap, L. K. (2008). Direct Block Methods for Solving Special Second Order Ordinary Differential Equations and Their Parallel Implementations.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Yap, Lee Ken. Direct Block Methods for Solving Special Second Order Ordinary Differential Equations and Their Parallel Implementations. 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Yap, Lee Ken. Direct Block Methods for Solving Special Second Order Ordinary Differential Equations and Their Parallel Implementations. 2008.
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