European Foundation for the Improvement of Living and Working Conditions. (1988). Working conditions and the small and medium-sized enterprises: United Kingdom. Office for Official Publications of the European Communnities.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)European Foundation for the Improvement of Living and Working Conditions. Working Conditions and the Small and Medium-sized Enterprises: United Kingdom. Luxembourg: Office for Official Publications of the European Communnities, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)European Foundation for the Improvement of Living and Working Conditions. Working Conditions and the Small and Medium-sized Enterprises: United Kingdom. Office for Official Publications of the European Communnities, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.