Eko, B., Wardiman, D.(1997).Preservation and conservation of cultural heritage in Indonesia / editor, Eko Budihardjo; pengantar, Wardiman Djojonegoro (Cet.1).:Gadjah Mada University Press.
Gaya MLA
Budihardjo, Eko., Djojonegoro, Wardiman."Preservation and conservation of cultural heritage in Indonesia / editor, Eko Budihardjo; pengantar, Wardiman Djojonegoro".Cet.1:Gadjah Mada University Press,1997.Textbook.