Irwan Shah Zainal Abidin. (2005). Trade relations between Malaysia and the Organisation of Islamic Countries (OIC): Prospects and constraints.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Irwan Shah Zainal Abidin. Trade Relations Between Malaysia and the Organisation of Islamic Countries (OIC): Prospects and Constraints. 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Irwan Shah Zainal Abidin. Trade Relations Between Malaysia and the Organisation of Islamic Countries (OIC): Prospects and Constraints. 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.