Economist Intelligence Unit (Great Britain) & Economist Intelligence Unit (Great Britain). (1977). Pension funds in the UK. Economist Intelligence Unit.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Economist Intelligence Unit (Great Britain) و Economist Intelligence Unit (Great Britain). Pension Funds in the UK. London: Economist Intelligence Unit, 1977.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Economist Intelligence Unit (Great Britain) و Economist Intelligence Unit (Great Britain). Pension Funds in the UK. Economist Intelligence Unit, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.