Khalid Abdul Rahim. (1990). Trade and welfare effects of unilateral environmental regulation: The case of Malaysian palm oil. University Microfilms International.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Khalid Abdul Rahim. Trade and Welfare Effects of Unilateral Environmental Regulation: The Case of Malaysian Palm Oil. Ann Arbor, Mich.: University Microfilms International, 1990.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Khalid Abdul Rahim. Trade and Welfare Effects of Unilateral Environmental Regulation: The Case of Malaysian Palm Oil. University Microfilms International, 1990.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.