Ahmad Faisal Zuli. (2012). Prevalence of low back pain and its associated risk factors among semiconductor industry workers in Melaka. Universiti Kebangsaan Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ahmad Faisal Zuli. Prevalence of Low Back Pain and Its Associated Risk Factors Among Semiconductor Industry Workers in Melaka. Kuala Lumpur: Universiti Kebangsaan Malaysia, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Ahmad Faisal Zuli. Prevalence of Low Back Pain and Its Associated Risk Factors Among Semiconductor Industry Workers in Melaka. Universiti Kebangsaan Malaysia, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.