Khairil Haffifi, S. (2012). Investigating the Influence of Safety Behavior on Safety Performance: A Case Study Among Employees of Pusat Perubatan Universiti Malaya, Kuala Lumpur.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Khairil Haffifi, Shabudin. Investigating the Influence of Safety Behavior on Safety Performance: A Case Study Among Employees of Pusat Perubatan Universiti Malaya, Kuala Lumpur. 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Khairil Haffifi, Shabudin. Investigating the Influence of Safety Behavior on Safety Performance: A Case Study Among Employees of Pusat Perubatan Universiti Malaya, Kuala Lumpur. 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.