(1985). Government economic agencies of the world: An international directory of Governmental organisations concerned with economic development and planning. Longman.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Government Economic Agencies of the World: An International Directory of Governmental Organisations Concerned with Economic Development and Planning. Harlow, Essex: Longman, 1985.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Government Economic Agencies of the World: An International Directory of Governmental Organisations Concerned with Economic Development and Planning. Longman, 1985.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.