Siti Sarah Emran. (2016). Safety, health and environmental hazard identification and task risk assessment at oil palm crushing plant.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Siti Sarah Emran. Safety, Health and Environmental Hazard Identification and Task Risk Assessment at Oil Palm Crushing Plant. 2016.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Siti Sarah Emran. Safety, Health and Environmental Hazard Identification and Task Risk Assessment at Oil Palm Crushing Plant. 2016.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.