Não informado. (2002). Conservation News. International Institute for Conservation of Historic and Artistic Works, United Kingdom Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Conservation News. London: International Institute for Conservation of Historic and Artistic Works, United Kingdom Group, 2002.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Conservation News. International Institute for Conservation of Historic and Artistic Works, United Kingdom Group, 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.