Mohammad Badrudin Bin Yusoff. (1997). An analysis of perceived stress among teachers in selected schools in Kelantan. : International Islamic University Malaysia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mohammad Badrudin Bin Yusoff. An Analysis of Perceived Stress Among Teachers in Selected Schools in Kelantan. Petaling Jaya: : International Islamic University Malaysia, 1997.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Mohammad Badrudin Bin Yusoff. An Analysis of Perceived Stress Among Teachers in Selected Schools in Kelantan. : International Islamic University Malaysia, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.