Long Ahmad Rosli Long Hassan. (1990). An Analysis of process control system in soap chip production: A special reference to Colgate Palmolive (M) Sdn. Bhd. : Kulliyyah of Economics, International Islamic University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Long Ahmad Rosli Long Hassan. An Analysis of Process Control System in Soap Chip Production: A Special Reference to Colgate Palmolive (M) Sdn. Bhd. Petaling Jaya: : Kulliyyah of Economics, International Islamic University, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Long Ahmad Rosli Long Hassan. An Analysis of Process Control System in Soap Chip Production: A Special Reference to Colgate Palmolive (M) Sdn. Bhd. : Kulliyyah of Economics, International Islamic University, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.