Rozita Ibrahim. (1998). Public awareness towards environmental conservation and enhancement. Department of Environmental Studies, Universiti Putra Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rozita Ibrahim. Public Awareness Towards Environmental Conservation and Enhancement. Bangi: Department of Environmental Studies, Universiti Putra Malaysia, 1998.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Rozita Ibrahim. Public Awareness Towards Environmental Conservation and Enhancement. Department of Environmental Studies, Universiti Putra Malaysia, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.