Ho, Y. H. (1999). Degradability in river water of bacterial polyhydroxyalkanoates (PHA) produced from saponified palm kernel oil (SPKO).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ho, Yen Him. Degradability in River Water of Bacterial Polyhydroxyalkanoates (PHA) Produced from Saponified Palm Kernel Oil (SPKO). 1999.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ho, Yen Him. Degradability in River Water of Bacterial Polyhydroxyalkanoates (PHA) Produced from Saponified Palm Kernel Oil (SPKO). 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.