Khairi Najmi , M. (2017). Safety evaluation and risk assessment on a selected pipe welding services workshop for oil and gas industry /Khairi Najmi Mahusain.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Khairi Najmi , Mahusain. Safety Evaluation and Risk Assessment on a Selected Pipe Welding Services Workshop for Oil and Gas Industry /Khairi Najmi Mahusain. 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Khairi Najmi , Mahusain. Safety Evaluation and Risk Assessment on a Selected Pipe Welding Services Workshop for Oil and Gas Industry /Khairi Najmi Mahusain. 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.