Koninklijke Bibliotheek. (1996). Guidelines for the conservation of leather and parchment bookbindings. [s.n.].
Cita Chicago Style (17a ed.)Koninklijke Bibliotheek. Guidelines for the Conservation of Leather and Parchment Bookbindings. [S.l.]: [s.n.], 1996.
Cita MLA (9a ed.)Koninklijke Bibliotheek. Guidelines for the Conservation of Leather and Parchment Bookbindings. [s.n.], 1996.
Precaución: Estas citas no son 100% exactas.