Não informado. (2002). The Conservator. International Institute for Conservation of Historic and Artistic Works, United Kingdom Group.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. The Conservator. London: International Institute for Conservation of Historic and Artistic Works, United Kingdom Group, 2002.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. The Conservator. International Institute for Conservation of Historic and Artistic Works, United Kingdom Group, 2002.
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