Siti Zulaikha Othman. (2008). Application of Eichhornia crassipes (water hyacinth) and Pistia stratiotes (water lettuce) as tertiary wastewater treatment agents.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Siti Zulaikha Othman. Application of Eichhornia Crassipes (water Hyacinth) and Pistia Stratiotes (water Lettuce) as Tertiary Wastewater Treatment Agents. 2008.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Siti Zulaikha Othman. Application of Eichhornia Crassipes (water Hyacinth) and Pistia Stratiotes (water Lettuce) as Tertiary Wastewater Treatment Agents. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.