Abdullah Ibrahim. The strength and weaknesses of the safety practices in vocational school workshops in West Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Abdullah Ibrahim. The Strength and Weaknesses of the Safety Practices in Vocational School Workshops in West Malaysia.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Abdullah Ibrahim. The Strength and Weaknesses of the Safety Practices in Vocational School Workshops in West Malaysia.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.