EVANS, P. (1994). The Eiu Guide To The New Gatt By Philip Evans And James Walch; Consultant Editor: Francis Williams. The Economist Intellegence Uni.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)EVANS, Philip. The Eiu Guide To The New Gatt By Philip Evans And James Walch; Consultant Editor: Francis Williams. The Economist Intellegence Uni, 1994.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)EVANS, Philip. The Eiu Guide To The New Gatt By Philip Evans And James Walch; Consultant Editor: Francis Williams. The Economist Intellegence Uni, 1994.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.