Kabbashi, N. A. (2002). Study of culture condition for solid state fermentation of sewage treatment plant sludge to compost. School of Graduate Studies, Universiti Putra Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kabbashi, Nassereldeen Ahmed. Study of Culture Condition for Solid State Fermentation of Sewage Treatment Plant Sludge to Compost. Serdang, Selangor: School of Graduate Studies, Universiti Putra Malaysia, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kabbashi, Nassereldeen Ahmed. Study of Culture Condition for Solid State Fermentation of Sewage Treatment Plant Sludge to Compost. School of Graduate Studies, Universiti Putra Malaysia, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.